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PowerPoint Slides Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved.
Slide 1
Managerial Economics in a
Global Economy, 5th Edition
by
Dominick Salvatore
Chapter 1
The Nature and Scope
of Managerial Economics
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PowerPoint Slides Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved.
Slide 2
Managerial Economics
Defined
• The application of economic theory and
the tools of decision science to examine
how an organization can achieve its
aims or objectives most efficiently.
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PowerPoint Slides Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved.
Slide 3
Managerial Decision Problems
Economic theory
Microeconomics
Macroeconomics
Decision Sciences
Mathematical Economics
Econometrics
MANAGERIAL ECONOMICS
Application of economic theory
and decision science tools to solve
managerial decision problems
OPTIMAL SOLUTIONS TO
MANAGERIAL DECISION PROBLEMS
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PowerPoint Slides Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved.
Slide 4
Theory of the Firm
• Combines and organizes resources for
the purpose of producing goods and/or
services for sale.
• Internalizes transactions, reducing
transactions costs.
• Primary goal is to maximize the wealth
or value of the firm.
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PowerPoint Slides Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved.
Slide 5
Value of the Firm
The present value of all expected future profits
1 2
1 21(1 ) (1 ) (1 ) (1 )
nn t
n tt
PVr r r r
1 1(1 ) (1 )
n nt t t
t tt t
TR TCValueof Firm
r r
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PowerPoint Slides Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved.
Slide 6
Alternative Theories
• Sales maximization
– Adequate rate of profit
• Management utility maximization
– Principle-agent problem
• Satisficing behavior
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PowerPoint Slides Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved.
Slide 7
Definitions of Profit
• Business Profit: Total revenue minus
the explicit or accounting costs of
production.
• Economic Profit: Total revenue minus
the explicit and implicit costs of
production.
• Opportunity Cost: Implicit value of a
resource in its best alternative use.
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PowerPoint Slides Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved.
Slide 8
Theories of Profit
• Risk-Bearing Theories of Profit
• Frictional Theory of Profit
• Monopoly Theory of Profit
• Innovation Theory of Profit
• Managerial Efficiency Theory of Profit
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PowerPoint Slides Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved.
Slide 9
Function of Profit
• Profit is a signal that guides the
allocation of society’s resources.
• High profits in an industry are a signal
that buyers want more of what the
industry produces.
• Low (or negative) profits in an industry
are a signal that buyers want less of
what the industry produces.
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PowerPoint Slides Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved.
Slide 10
Business Ethics
• Identifies types of behavior that
businesses and their employees should
not engage in.
• Source of guidance that goes beyond
enforceable laws.
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PowerPoint Slides Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved.
Slide 11
The Changing Environment of
Managerial Economics
• Globalization of Economic Activity
– Goods and Services
– Capital
– Technology
– Skilled Labor
• Technological Change
– Telecommunications Advances
– The Internet and the World Wide Web
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 1
Managerial Economics in a
Global Economy, 5th Edition
by
Dominick Salvatore
Chapter 2
Optimization Techniques
and New Management Tools
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 2
0
50
100
150
200
250
300
0 1 2 3 4 5 6 7
Q
TR
Expressing Economic
Relationships
Equations: TR = 100Q - 10Q2
Tables:
Graphs:
Q 0 1 2 3 4 5 6
TR 0 90 160 210 240 250 240
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 3
Total, Average, and
Marginal Cost
Q TC AC MC
0 20 - -
1 140 140 120
2 160 80 20
3 180 60 20
4 240 60 60
5 480 96 240
AC = TC/Q
MC = TC/Q
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 4
Total, Average, and
Marginal Cost
0
60
120
180
240
0 1 2 3 4Q
T C ($ )
0
60
120
0 1 2 3 4 Q
AC , M C ($ )AC
M C
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 5
Profit Maximization
Q TR TC Profit
0 0 20 -20
1 90 140 -50
2 160 160 0
3 210 180 30
4 240 240 0
5 250 480 -230
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 6
Profit Maximization
0
60
120
180
240
300
0 1 2 3 4 5Q
($)
MC
MR
TC
TR
-60
-30
0
30
60
Profit
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 7
Concept of the Derivative
The derivative of Y with respect to X is
equal to the limit of the ratio Y/X as
X approaches zero.
0limX
dY Y
dX X
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 8
Rules of Differentiation
Constant Function Rule: The derivative
of a constant, Y = f(X) = a, is zero for all
values of a (the constant).
( )Y f X a
0dY
dX
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 9
Rules of Differentiation
Power Function Rule: The derivative of
a power function, where a and b are
constants, is defined as follows.
( ) bY f X aX
1bdYb aX
dX
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 10
Rules of Differentiation
Sum-and-Differences Rule: The derivative
of the sum or difference of two functions
U and V, is defined as follows.
( )U g X ( )V h X
dY dU dV
dX dX dX
Y U V
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 11
Rules of Differentiation
Product Rule: The derivative of the
product of two functions U and V, is
defined as follows.
( )U g X ( )V h X
dY dV dUU V
dX dX dX
Y U V
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 12
Rules of Differentiation
Quotient Rule: The derivative of the
ratio of two functions U and V, is
defined as follows.
( )U g X ( )V h XU
YV
2
dU dVV UdY dX dX
dX V
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 13
Rules of Differentiation
Chain Rule: The derivative of a function
that is a function of X is defined as follows.
( )U g X( )Y f U
dY dY dU
dX dU dX
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 14
Optimization With Calculus
Find X such that dY/dX = 0
Second derivative rules:
If d2Y/dX2 > 0, then X is a minimum.
If d2Y/dX2 < 0, then X is a maximum.
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 15
New Management Tools
• Benchmarking
• Total Quality Management
• Reengineering
• The Learning Organization
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 16
Other Management Tools
• Broadbanding
• Direct Business Model
• Networking
• Pricing Power
• Small-World Model
• Virtual Integration
• Virtual Management
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 1
Managerial Economics in a
Global Economy, 5th Edition
by
Dominick Salvatore
Chapter 3
Demand Theory
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 2
Law of Demand
• There is an inverse relationship
between the price of a good and the
quantity of the good demanded per time
period.
• Substitution Effect
• Income Effect
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 3
Individual Consumer’s Demand
QdX = f(PX, I, PY, T)
quantity demanded of commodity X
by an individual per time period
price per unit of commodity X
consumer’s income
price of related (substitute or
complementary) commodity
tastes of the consumer
QdX =
PX =
I =
PY =
T =
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 4
QdX = f(PX, I, PY, T)
QdX/PX < 0
QdX/I > 0 if a good is normal
QdX/I < 0 if a good is inferior
QdX/PY > 0 if X and Y are substitutes
QdX/PY < 0 if X and Y are complements
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 5
Market Demand Curve
• Horizontal summation of demand
curves of individual consumers
• Bandwagon Effect
• Snob Effect
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 6
Horizontal Summation: From
Individual to Market Demand
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 7
Market Demand Function
QDX = f(PX, N, I, PY, T)
quantity demanded of commodity X
price per unit of commodity X
number of consumers on the market
consumer income
price of related (substitute or
complementary) commodity
consumer tastes
QDX =
PX =
N =
I =
PY =
T =
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 8
Demand Faced by a Firm
• Market Structure
– Monopoly
– Oligopoly
– Monopolistic Competition
– Perfect Competition
• Type of Good
– Durable Goods
– Nondurable Goods
– Producers’ Goods - Derived Demand
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 9
Linear Demand Function
QX = a0 + a1PX + a2N + a3I + a4PY + a5T
PX
QX
Intercept:
a0 + a2N + a3I + a4PY + a5T
Slope:
QX/PX = a1
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 10
Price Elasticity of Demand
/
/P
Q Q Q PE
P P P Q
Linear Function
Point Definition
1P
PE a
Q
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 11
Price Elasticity of Demand
Arc Definition 2 1 2 1
2 1 2 1
P
Q Q P PE
P P Q Q
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 12
Marginal Revenue and Price
Elasticity of Demand
11
P
MR PE
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 13
Marginal Revenue and Price
Elasticity of Demand
PX
QX
MRX
1PE
1PE
1PE
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 14
Marginal Revenue, Total
Revenue, and Price Elasticity
TR
QX
1PE
MR<0 MR>0
1PE
1PE MR=0
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 15
Determinants of Price
Elasticity of Demand
Demand for a commodity will be more
elastic if:
• It has many close substitutes
• It is narrowly defined
• More time is available to adjust to a
price change
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 16
Determinants of Price
Elasticity of Demand
Demand for a commodity will be less
elastic if:
• It has few substitutes
• It is broadly defined
• Less time is available to adjust to a
price change
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 17
Income Elasticity of Demand
Linear Function
Point Definition /
/I
Q Q Q IE
I I I Q
3I
IE a
Q
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 18
Income Elasticity of Demand
Arc Definition 2 1 2 1
2 1 2 1
I
Q Q I IE
I I Q Q
Normal Good Inferior Good
0IE 0IE
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 19
Cross-Price Elasticity of Demand
Linear Function
Point Definition /
/
X X X YXY
Y Y Y X
Q Q Q PE
P P P Q
4Y
XY
X
PE a
Q
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 20
Cross-Price Elasticity of Demand
Arc Definition
Substitutes Complements
2 1 2 1
2 1 2 1
X X Y YXY
Y Y X X
Q Q P PE
P P Q Q
0XYE 0XYE
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 21
Other Factors Related to
Demand Theory
• International Convergence of Tastes
– Globalization of Markets
– Influence of International Preferences on
Market Demand
• Growth of Electronic Commerce
– Cost of Sales
– Supply Chains and Logistics
– Customer Relationship Management
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 1
Managerial Economics in a
Global Economy, 5th Edition
by
Dominick Salvatore
Chapter 4
Demand Estimation
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 2
The Identification Problem
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 3
Demand Estimation:
Marketing Research Approaches
• Consumer Surveys
• Observational Research
• Consumer Clinics
• Market Experiments
• Virtual Shopping
• Virtual Management
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 4
Scatter Diagram
Regression Analysis
Year X Y
1 10 44
2 9 40
3 11 42
4 12 46
5 11 48
6 12 52
7 13 54
8 13 58
9 14 56
10 15 60
![Page 54: Managerial Economics in a by Dominick Salvatore](https://reader031.vdocument.in/reader031/viewer/2022012415/616f88c002db612a0a360803/html5/thumbnails/54.jpg)
Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 5
Regression Analysis
• Regression Line: Line of Best Fit
• Regression Line: Minimizes the sum of
the squared vertical deviations (et) of
each point from the regression line.
• Ordinary Least Squares (OLS) Method
![Page 55: Managerial Economics in a by Dominick Salvatore](https://reader031.vdocument.in/reader031/viewer/2022012415/616f88c002db612a0a360803/html5/thumbnails/55.jpg)
Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 6
Regression Analysis
![Page 56: Managerial Economics in a by Dominick Salvatore](https://reader031.vdocument.in/reader031/viewer/2022012415/616f88c002db612a0a360803/html5/thumbnails/56.jpg)
Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 7
Ordinary Least Squares (OLS)
Model: t t tY a bX e
ˆˆ ˆt tY a bX
ˆt t te Y Y
![Page 57: Managerial Economics in a by Dominick Salvatore](https://reader031.vdocument.in/reader031/viewer/2022012415/616f88c002db612a0a360803/html5/thumbnails/57.jpg)
Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 8
Ordinary Least Squares (OLS)
Objective: Determine the slope and
intercept that minimize the sum of
the squared errors.
2 2 2
1 1 1
ˆˆ ˆ( ) ( )n n n
t t t t t
t t t
e Y Y Y a bX
![Page 58: Managerial Economics in a by Dominick Salvatore](https://reader031.vdocument.in/reader031/viewer/2022012415/616f88c002db612a0a360803/html5/thumbnails/58.jpg)
Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 9
Ordinary Least Squares (OLS)
Estimation Procedure
1
2
1
( )( )ˆ
( )
n
t t
t
n
t
t
X X Y Y
b
X X
ˆa Y bX
![Page 59: Managerial Economics in a by Dominick Salvatore](https://reader031.vdocument.in/reader031/viewer/2022012415/616f88c002db612a0a360803/html5/thumbnails/59.jpg)
Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 10
Ordinary Least Squares (OLS)
Estimation Example
1 10 44 -2 -6 12
2 9 40 -3 -10 30
3 11 42 -1 -8 8
4 12 46 0 -4 0
5 11 48 -1 -2 2
6 12 52 0 2 0
7 13 54 1 4 4
8 13 58 1 8 8
9 14 56 2 6 12
10 15 60 3 10 30
120 500 106
4
9
1
0
1
0
1
1
4
9
30
Time tX tY tX X tY Y ( )( )t tX X Y Y 2( )tX X
10n
1
12012
10
nt
t
XX
n
1
50050
10
nt
t
YY
n
1
120n
t
t
X
1
500n
t
t
Y
2
1
( ) 30n
t
t
X X
1
( )( ) 106n
t t
t
X X Y Y
106ˆ 3.53330
b
ˆ 50 (3.533)(12) 7.60a
![Page 60: Managerial Economics in a by Dominick Salvatore](https://reader031.vdocument.in/reader031/viewer/2022012415/616f88c002db612a0a360803/html5/thumbnails/60.jpg)
Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 11
Ordinary Least Squares (OLS)
Estimation Example
10n 1
12012
10
nt
t
XX
n
1
50050
10
nt
t
YY
n
1
120n
t
t
X
1
500n
t
t
Y
2
1
( ) 30n
t
t
X X
1
( )( ) 106n
t t
t
X X Y Y
106ˆ 3.53330
b
ˆ 50 (3.533)(12) 7.60a
![Page 61: Managerial Economics in a by Dominick Salvatore](https://reader031.vdocument.in/reader031/viewer/2022012415/616f88c002db612a0a360803/html5/thumbnails/61.jpg)
Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 12
Tests of Significance
Standard Error of the Slope Estimate
2 2
ˆ 2 2
ˆ( )
( ) ( ) ( ) ( )
t t
bt t
Y Y es
n k X X n k X X
![Page 62: Managerial Economics in a by Dominick Salvatore](https://reader031.vdocument.in/reader031/viewer/2022012415/616f88c002db612a0a360803/html5/thumbnails/62.jpg)
Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 13
Tests of Significance
Example Calculation
2 2
1 1
ˆ( ) 65.4830n n
t t t
t t
e Y Y
2
1
( ) 30n
t
t
X X
2
ˆ 2
ˆ( ) 65.48300.52
( ) ( ) (10 2)(30)
t
bt
Y Ys
n k X X
1 10 44 42.90
2 9 40 39.37
3 11 42 46.43
4 12 46 49.96
5 11 48 46.43
6 12 52 49.96
7 13 54 53.49
8 13 58 53.49
9 14 56 57.02
10 15 60 60.55
1.10 1.2100 4
0.63 0.3969 9
-4.43 19.6249 1
-3.96 15.6816 0
1.57 2.4649 1
2.04 4.1616 0
0.51 0.2601 1
4.51 20.3401 1
-1.02 1.0404 4
-0.55 0.3025 9
65.4830 30
Time tX tY ˆtY ˆ
t t te Y Y 2 2ˆ( )t t te Y Y 2( )tX X
![Page 63: Managerial Economics in a by Dominick Salvatore](https://reader031.vdocument.in/reader031/viewer/2022012415/616f88c002db612a0a360803/html5/thumbnails/63.jpg)
Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 14
Tests of Significance
Example Calculation
2
ˆ 2
ˆ( ) 65.48300.52
( ) ( ) (10 2)(30)
t
bt
Y Ys
n k X X
2
1
( ) 30n
t
t
X X
2 2
1 1
ˆ( ) 65.4830n n
t t t
t t
e Y Y
![Page 64: Managerial Economics in a by Dominick Salvatore](https://reader031.vdocument.in/reader031/viewer/2022012415/616f88c002db612a0a360803/html5/thumbnails/64.jpg)
Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 15
Tests of Significance
Calculation of the t Statistic
ˆ
ˆ 3.536.79
0.52b
bt
s
Degrees of Freedom = (n-k) = (10-2) = 8
Critical Value at 5% level =2.306
![Page 65: Managerial Economics in a by Dominick Salvatore](https://reader031.vdocument.in/reader031/viewer/2022012415/616f88c002db612a0a360803/html5/thumbnails/65.jpg)
Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 16
Tests of Significance
Decomposition of Sum of Squares
2 2 2ˆ ˆ( ) ( ) ( )t t tY Y Y Y Y Y
Total Variation = Explained Variation + Unexplained Variation
![Page 66: Managerial Economics in a by Dominick Salvatore](https://reader031.vdocument.in/reader031/viewer/2022012415/616f88c002db612a0a360803/html5/thumbnails/66.jpg)
Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 17
Tests of Significance
Decomposition of Sum of Squares
![Page 67: Managerial Economics in a by Dominick Salvatore](https://reader031.vdocument.in/reader031/viewer/2022012415/616f88c002db612a0a360803/html5/thumbnails/67.jpg)
Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 18
Tests of Significance
Coefficient of Determination
2
2
2
ˆ( )
( )t
Y YExplainedVariationR
TotalVariation Y Y
2 373.840.85
440.00R
![Page 68: Managerial Economics in a by Dominick Salvatore](https://reader031.vdocument.in/reader031/viewer/2022012415/616f88c002db612a0a360803/html5/thumbnails/68.jpg)
Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 19
Tests of Significance
Coefficient of Correlation
2 ˆr R withthesignof b
0.85 0.92r
1 1r
![Page 69: Managerial Economics in a by Dominick Salvatore](https://reader031.vdocument.in/reader031/viewer/2022012415/616f88c002db612a0a360803/html5/thumbnails/69.jpg)
Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 20
Multiple Regression Analysis
Model: 1 1 2 2 ' 'k kY a b X b X b X
![Page 70: Managerial Economics in a by Dominick Salvatore](https://reader031.vdocument.in/reader031/viewer/2022012415/616f88c002db612a0a360803/html5/thumbnails/70.jpg)
Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 21
Multiple Regression Analysis
Adjusted Coefficient of Determination
2 2 ( 1)1 (1 )
( )
nR R
n k
![Page 71: Managerial Economics in a by Dominick Salvatore](https://reader031.vdocument.in/reader031/viewer/2022012415/616f88c002db612a0a360803/html5/thumbnails/71.jpg)
Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 22
Multiple Regression Analysis
Analysis of Variance and F Statistic
/( 1)
/( )
Explained Variation kF
Unexplained Variation n k
2
2
/( 1)
(1 ) /( )
R kF
R n k
![Page 72: Managerial Economics in a by Dominick Salvatore](https://reader031.vdocument.in/reader031/viewer/2022012415/616f88c002db612a0a360803/html5/thumbnails/72.jpg)
Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 23
Problems in Regression Analysis
• Multicollinearity: Two or more
explanatory variables are highly
correlated.
• Heteroskedasticity: Variance of error
term is not independent of the Y
variable.
• Autocorrelation: Consecutive error
terms are correlated.
![Page 73: Managerial Economics in a by Dominick Salvatore](https://reader031.vdocument.in/reader031/viewer/2022012415/616f88c002db612a0a360803/html5/thumbnails/73.jpg)
Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 24
Durbin-Watson Statistic
Test for Autocorrelation
2
1
2
2
1
( )n
t t
t
n
t
t
e e
d
e
If d=2, autocorrelation is absent.
![Page 74: Managerial Economics in a by Dominick Salvatore](https://reader031.vdocument.in/reader031/viewer/2022012415/616f88c002db612a0a360803/html5/thumbnails/74.jpg)
Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 25
Steps in Demand Estimation
• Model Specification: Identify Variables
• Collect Data
• Specify Functional Form
• Estimate Function
• Test the Results
![Page 75: Managerial Economics in a by Dominick Salvatore](https://reader031.vdocument.in/reader031/viewer/2022012415/616f88c002db612a0a360803/html5/thumbnails/75.jpg)
Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 26
Functional Form Specifications
Linear Function:
Power Function:
0 1 2 3 4X X YQ a a P a I a N a P e
1 2( )( )b b
X X YQ a P P
Estimation Format:
1 2ln ln ln lnX X YQ a b P b P
![Page 76: Managerial Economics in a by Dominick Salvatore](https://reader031.vdocument.in/reader031/viewer/2022012415/616f88c002db612a0a360803/html5/thumbnails/76.jpg)
Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 1
Managerial Economics in a
Global Economy, 5th Edition
by
Dominick Salvatore
Chapter 5
Demand Forecasting
![Page 77: Managerial Economics in a by Dominick Salvatore](https://reader031.vdocument.in/reader031/viewer/2022012415/616f88c002db612a0a360803/html5/thumbnails/77.jpg)
Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 2
Qualitative Forecasts
• Survey Techniques
– Planned Plant and Equipment Spending
– Expected Sales and Inventory Changes
– Consumers’ Expenditure Plans
• Opinion Polls
– Business Executives
– Sales Force
– Consumer Intentions
![Page 78: Managerial Economics in a by Dominick Salvatore](https://reader031.vdocument.in/reader031/viewer/2022012415/616f88c002db612a0a360803/html5/thumbnails/78.jpg)
Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 3
Time-Series Analysis
• Secular Trend
– Long-Run Increase or Decrease in Data
• Cyclical Fluctuations
– Long-Run Cycles of Expansion and
Contraction
• Seasonal Variation
– Regularly Occurring Fluctuations
• Irregular or Random Influences
![Page 79: Managerial Economics in a by Dominick Salvatore](https://reader031.vdocument.in/reader031/viewer/2022012415/616f88c002db612a0a360803/html5/thumbnails/79.jpg)
Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 4
![Page 80: Managerial Economics in a by Dominick Salvatore](https://reader031.vdocument.in/reader031/viewer/2022012415/616f88c002db612a0a360803/html5/thumbnails/80.jpg)
Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 5
Trend Projection
• Linear Trend:
St = S0 + b t
b = Growth per time period
• Constant Growth Rate
St = S0 (1 + g)t
g = Growth rate
• Estimation of Growth Rate
lnSt = lnS0 + t ln(1 + g)
![Page 81: Managerial Economics in a by Dominick Salvatore](https://reader031.vdocument.in/reader031/viewer/2022012415/616f88c002db612a0a360803/html5/thumbnails/81.jpg)
Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 6
Seasonal Variation
Ratio to Trend Method
Actual
Trend Forecast Ratio =
Seasonal
Adjustment =
Average of Ratios for
Each Seasonal Period
Adjusted
Forecast = Trend
Forecast
Seasonal
Adjustment
![Page 82: Managerial Economics in a by Dominick Salvatore](https://reader031.vdocument.in/reader031/viewer/2022012415/616f88c002db612a0a360803/html5/thumbnails/82.jpg)
Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 7
Seasonal Variation
Ratio to Trend Method:
Example Calculation for Quarter 1
Trend Forecast for 1996.1 = 11.90 + (0.394)(17) = 18.60
Seasonally Adjusted Forecast for 1996.1 = (18.60)(0.8869) = 16.50
Year
Trend
Forecast Actual Ratio
1992.1 12.29 11.00 0.8950
1993.1 13.87 12.00 0.8652
1994.1 15.45 14.00 0.9061
1995.1 17.02 15.00 0.8813
Seasonal Adjustment = 0.8869
![Page 83: Managerial Economics in a by Dominick Salvatore](https://reader031.vdocument.in/reader031/viewer/2022012415/616f88c002db612a0a360803/html5/thumbnails/83.jpg)
Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 8
Moving Average Forecasts
Forecast is the average of data from w
periods prior to the forecast data point.
1
wt i
t
i
AF
w
![Page 84: Managerial Economics in a by Dominick Salvatore](https://reader031.vdocument.in/reader031/viewer/2022012415/616f88c002db612a0a360803/html5/thumbnails/84.jpg)
Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 9
Exponential Smoothing
Forecasts
1 (1 )t t tF wA w F
Forecast is the weighted average of of
the forecast and the actual value from
the prior period.
0 1w
![Page 85: Managerial Economics in a by Dominick Salvatore](https://reader031.vdocument.in/reader031/viewer/2022012415/616f88c002db612a0a360803/html5/thumbnails/85.jpg)
Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 10
Root Mean Square Error
2( )t tA FRMSE
n
Measures the Accuracy
of a Forecasting Method
![Page 86: Managerial Economics in a by Dominick Salvatore](https://reader031.vdocument.in/reader031/viewer/2022012415/616f88c002db612a0a360803/html5/thumbnails/86.jpg)
Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 11
Barometric Methods
• National Bureau of Economic Research
• Department of Commerce
• Leading Indicators
• Lagging Indicators
• Coincident Indicators
• Composite Index
• Diffusion Index
![Page 87: Managerial Economics in a by Dominick Salvatore](https://reader031.vdocument.in/reader031/viewer/2022012415/616f88c002db612a0a360803/html5/thumbnails/87.jpg)
Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 12
Econometric Models
Single Equation Model of the
Demand For Cereal (Good X)
QX = a0 + a1PX + a2Y + a3N + a4PS + a5PC + a6A + e
QX = Quantity of X
PX = Price of Good X
Y = Consumer Income
N = Size of Population
PS = Price of Muffins
PC = Price of Milk
A = Advertising
e = Random Error
![Page 88: Managerial Economics in a by Dominick Salvatore](https://reader031.vdocument.in/reader031/viewer/2022012415/616f88c002db612a0a360803/html5/thumbnails/88.jpg)
Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 13
Econometric Models
Multiple Equation Model of GNP
1 1 1t t tC a b GNP u
2 2 1 2t t tI a b u
t t t tGNP C I G
2 11 21
1 11 1 1
t tt
b Ga aGNP b
b b
Reduced Form Equation
![Page 89: Managerial Economics in a by Dominick Salvatore](https://reader031.vdocument.in/reader031/viewer/2022012415/616f88c002db612a0a360803/html5/thumbnails/89.jpg)
Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 14
Input-Output Forecasting
Producing Industry
Supplying
Industry A B C
Final
Demand Total
A 20 60 30 90 200
B 80 90 20 110 300
C 40 30 10 20 100
Value Added 60 120 40 220
Total 200 300 100 220
Three-Sector Input-Output Flow Table
![Page 90: Managerial Economics in a by Dominick Salvatore](https://reader031.vdocument.in/reader031/viewer/2022012415/616f88c002db612a0a360803/html5/thumbnails/90.jpg)
Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 15
Input-Output Forecasting
Direct Requirements Matrix
Producing Industry
Supplying
Industry A B C
A 0.1 0.2 0.3
B 0.4 0.3 0.2
C 0.2 0.1 0.1
Direct
Requirements
Input Requirements
Column Total =
![Page 91: Managerial Economics in a by Dominick Salvatore](https://reader031.vdocument.in/reader031/viewer/2022012415/616f88c002db612a0a360803/html5/thumbnails/91.jpg)
Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 16
Input-Output Forecasting
Total Requirements Matrix
Producing Industry
Supplying
Industry A B C
A 1.47 0.51 0.60
B 0.96 1.81 0.72
C 0.43 0.31 1.33
![Page 92: Managerial Economics in a by Dominick Salvatore](https://reader031.vdocument.in/reader031/viewer/2022012415/616f88c002db612a0a360803/html5/thumbnails/92.jpg)
Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 17
Input-Output Forecasting
1.47 0.51 0.60
0.96 1.81 0.72
0.43 0.31 1.33
90
110
20=
200
300
100
Total
Requirements
Matrix
Final
Demand
Vector
Total
Demand
Vector
![Page 93: Managerial Economics in a by Dominick Salvatore](https://reader031.vdocument.in/reader031/viewer/2022012415/616f88c002db612a0a360803/html5/thumbnails/93.jpg)
Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 18
Input-Output Forecasting
Revised Input-Output Flow Table
Producing Industry
Supplying
Industry A B C
Final
Demand Total
A 22 62 31 100 215
B 88 93 21 110 310
C 43 31 10 20 104
![Page 94: Managerial Economics in a by Dominick Salvatore](https://reader031.vdocument.in/reader031/viewer/2022012415/616f88c002db612a0a360803/html5/thumbnails/94.jpg)
Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 1
Managerial Economics in a
Global Economy, 5th Edition
by
Dominick Salvatore
Chapter 6
Production Theory
and Estimation
![Page 95: Managerial Economics in a by Dominick Salvatore](https://reader031.vdocument.in/reader031/viewer/2022012415/616f88c002db612a0a360803/html5/thumbnails/95.jpg)
Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 2
The Organization of
Production
• Inputs
– Labor, Capital, Land
• Fixed Inputs
• Variable Inputs
• Short Run
– At least one input is fixed
• Long Run
– All inputs are variable
![Page 96: Managerial Economics in a by Dominick Salvatore](https://reader031.vdocument.in/reader031/viewer/2022012415/616f88c002db612a0a360803/html5/thumbnails/96.jpg)
Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 3
Production Function
With Two Inputs
K Q
6 10 24 31 36 40 39
5 12 28 36 40 42 40
4 12 28 36 40 40 36
3 10 23 33 36 36 33
2 7 18 28 30 30 28
1 3 8 12 14 14 12
1 2 3 4 5 6 L
Q = f(L, K)
![Page 97: Managerial Economics in a by Dominick Salvatore](https://reader031.vdocument.in/reader031/viewer/2022012415/616f88c002db612a0a360803/html5/thumbnails/97.jpg)
Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 4
Production Function
With Two Inputs
Discrete Production Surface
![Page 98: Managerial Economics in a by Dominick Salvatore](https://reader031.vdocument.in/reader031/viewer/2022012415/616f88c002db612a0a360803/html5/thumbnails/98.jpg)
Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 5
Production Function
With Two Inputs
Continuous Production Surface
![Page 99: Managerial Economics in a by Dominick Salvatore](https://reader031.vdocument.in/reader031/viewer/2022012415/616f88c002db612a0a360803/html5/thumbnails/99.jpg)
Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 6
Production Function
With One Variable Input
Total Product
Marginal Product
Average Product
Production or
Output Elasticity
TP = Q = f(L)
MPL = TP
L
APL = TP
L
EL = MPL
APL
![Page 100: Managerial Economics in a by Dominick Salvatore](https://reader031.vdocument.in/reader031/viewer/2022012415/616f88c002db612a0a360803/html5/thumbnails/100.jpg)
Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 7
Production Function
With One Variable Input
L Q MPL APL EL
0 0 - - -
1 3 3 3 1
2 8 5 4 1.25
3 12 4 4 1
4 14 2 3.5 0.57
5 14 0 2.8 0
6 12 -2 2 -1
Total, Marginal, and Average Product of Labor, and Output Elasticity
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 8
Production Function
With One Variable Input
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 9
Production Function
With One Variable Input
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 10
Optimal Use of the
Variable Input
Marginal Revenue
Product of Labor MRPL = (MPL)(MR)
Marginal Resource
Cost of Labor MRCL =
TC
L
Optimal Use of Labor MRPL = MRCL
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 11
Optimal Use of the
Variable Input
L MPL MR = P MRPL MRCL
2.50 4 $10 $40 $20
3.00 3 10 30 20
3.50 2 10 20 20
4.00 1 10 10 20
4.50 0 10 0 20
Use of Labor is Optimal When L = 3.50
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 12
Optimal Use of the
Variable Input
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 13
Production With Two
Variable Inputs
Isoquants show combinations of two inputs
that can produce the same level of output.
Firms will only use combinations of two
inputs that are in the economic region of
production, which is defined by the portion
of each isoquant that is negatively sloped.
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 14
Production With Two
Variable Inputs
Isoquants
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 15
Production With Two
Variable Inputs
Economic
Region of
Production
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 16
Production With Two
Variable Inputs
Marginal Rate of Technical Substitution
MRTS = -K/L = MPL/MPK
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 17
Production With Two
Variable Inputs
MRTS = -(-2.5/1) = 2.5
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 18
Production With Two
Variable Inputs
Perfect Substitutes Perfect Complements
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 19
Optimal Combination of Inputs
Isocost lines represent all combinations of
two inputs that a firm can purchase with
the same total cost.
C wL rK
C wK L
r r
C TotalCost
( )w Wage Rateof Labor L
( )r Cost of Capital K
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 20
Optimal Combination of Inputs Isocost Lines
AB C = $100, w = r = $10
A’B’ C = $140, w = r = $10
A’’B’’ C = $80, w = r = $10
AB* C = $100, w = $5, r = $10
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 21
Optimal Combination of Inputs
MRTS = w/r
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 22
Optimal Combination of Inputs
Effect of a Change in Input Prices
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 23
Returns to Scale
Production Function Q = f(L, K)
Q = f(hL, hK)
If = h, then f has constant returns to scale.
If > h, then f has increasing returns to scale.
If < h, the f has decreasing returns to scale.
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 24
Returns to Scale
Constant
Returns to
Scale
Increasing
Returns to
Scale
Decreasing
Returns to
Scale
![Page 118: Managerial Economics in a by Dominick Salvatore](https://reader031.vdocument.in/reader031/viewer/2022012415/616f88c002db612a0a360803/html5/thumbnails/118.jpg)
Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 25
Empirical Production
Functions
Cobb-Douglas Production Function
Q = AKaLb
Estimated using Natural Logarithms
ln Q = ln A + a ln K + b ln L
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 26
Innovations and Global
Competitiveness
• Product Innovation
• Process Innovation
• Product Cycle Model
• Just-In-Time Production System
• Competitive Benchmarking
• Computer-Aided Design (CAD)
• Computer-Aided Manufacturing (CAM)
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 1
Managerial Economics in a
Global Economy, 5th Edition
by
Dominick Salvatore
Chapter 7
Cost Theory and Estimation
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 2
The Nature of Costs
• Explicit Costs
– Accounting Costs
• Economic Costs
– Implicit Costs
– Alternative or Opportunity Costs
• Relevant Costs
– Incremental Costs
– Sunk Costs are Irrelevant
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 3
Short-Run Cost Functions
Total Cost = TC = f(Q)
Total Fixed Cost = TFC
Total Variable Cost = TVC
TC = TFC + TVC
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 4
Short-Run Cost Functions
Average Total Cost = ATC = TC/Q
Average Fixed Cost = AFC = TFC/Q
Average Variable Cost = AVC = TVC/Q
ATC = AFC + AVC
Marginal Cost = TC/Q = TVC/Q
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 5
Short-Run Cost Functions
Q TFC TVC TC AFC AVC ATC MC
0 $60 $0 $60 - - - -
1 60 20 80 $60 $20 $80 $20
2 60 30 90 30 15 45 10
3 60 45 105 20 15 35 15
4 60 80 140 15 20 35 35
5 60 135 195 12 27 39 55
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 6
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 7
Short-Run Cost Functions
Average Variable Cost
AVC = TVC/Q = w/APL
Marginal Cost
TC/Q = TVC/Q = w/MPL
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 8
Long-Run Cost Curves
Long-Run Total Cost = LTC = f(Q)
Long-Run Average Cost = LAC = LTC/Q
Long-Run Marginal Cost = LMC = LTC/Q
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 9
Derivation of Long-Run Cost Curves
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 10
Relationship Between Long-Run and
Short-Run Average Cost Curves
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 11
Possible Shapes of
the LAC Curve
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 12
Learning Curves
Average Cost of Unit Q = C = aQb
Estimation Form: log C = log a + b Log Q
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 13
Minimizing Costs Internationally
• Foreign Sourcing of Inputs
• New International Economies of Scale
• Immigration of Skilled Labor
• Brain Drain
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 14
Logistics or Supply Chain
Management
• Merges and integrates functions
– Purchasing
– Transportation
– Warehousing
– Distribution
– Customer Services
• Source of competitive advantage
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 15
Logistics or Supply Chain
Management
• Reasons for the growth of logistics
– Advances in computer technology
• Decreased cost of logistical problem solving
– Growth of just-in-time inventory
management
• Increased need to monitor and manage input
and output flows
– Globalization of production and distribution
• Increased complexity of input and output flows
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 16
Cost-Volume-Profit Analysis
Total Revenue = TR = (P)(Q)
Total Cost = TC = TFC + (AVC)(Q)
Breakeven Volume TR = TC
(P)(Q) = TFC + (AVC)(Q)
QBE = TFC/(P - AVC)
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 17
Cost-Volume-Profit Analysis
P = 40
TFC = 200
AVC = 5
QBE = 40
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 18
Operating Leverage
Operating Leverage = TFC/TVC
Degree of Operating Leverage = DOL
% ( )
% ( )
Q P AVCDOL
Q Q P AVC TFC
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 19
Operating Leverage
TC’ has a higher DOL
than TC and therefore
a higher QBE
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 20
Empirical Estimation
Data Collection Issues
• Opportunity Costs Must be Extracted
from Accounting Cost Data
• Costs Must be Apportioned Among
Products
• Costs Must be Matched to Output Over
Time
• Costs Must be Corrected for Inflation
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 21
Empirical Estimation
Functional Form for Short-Run Cost Functions
2 3TVC aQ bQ cQ
2TVCAVC a bQ cQ
Q
22 3MC a bQ cQ
Theoretical Form Linear Approximation
TVC a bQ
aAVC b
Q
MC b
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 22
Empirical Estimation Theoretical Form Linear Approximation
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 23
Empirical Estimation
Long-Run Cost Curves
• Cross-Sectional Regression Analysis
• Engineering Method
• Survival Technique
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 24
Empirical Estimation
Actual LAC versus empirically estimated LAC’
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 1
Managerial Economics in a
Global Economy, 5th Edition
by
Dominick Salvatore
Chapter 8
Market Structure: Perfect
Competition, Monopoly and
Monopolistic Competition
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 2
Market Structure
Perfect Competition
Monopolistic
Competition
Oligopoly
Monopoly
More
Com
pe
titive
Le
ss C
om
pe
titive
![Page 146: Managerial Economics in a by Dominick Salvatore](https://reader031.vdocument.in/reader031/viewer/2022012415/616f88c002db612a0a360803/html5/thumbnails/146.jpg)
Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 3
Perfect Competition
• Many buyers and sellers
• Buyers and sellers are price takers
• Product is homogeneous
• Perfect mobility of resources
• Economic agents have perfect
knowledge
• Example: Stock Market
![Page 147: Managerial Economics in a by Dominick Salvatore](https://reader031.vdocument.in/reader031/viewer/2022012415/616f88c002db612a0a360803/html5/thumbnails/147.jpg)
Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 4
Monopolistic Competition
• Many sellers and buyers
• Differentiated product
• Perfect mobility of resources
• Example: Fast-food outlets
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 5
Oligopoly
• Few sellers and many buyers
• Product may be homogeneous or
differentiated
• Barriers to resource mobility
• Example: Automobile manufacturers
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 6
Monopoly
• Single seller and many buyers
• No close substitutes for product
• Significant barriers to resource mobility
– Control of an essential input
– Patents or copyrights
– Economies of scale: Natural monopoly
– Government franchise: Post office
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 7
Perfect Competition:
Price Determination
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 8
Perfect Competition:
Price Determination
625 5QD P 175 5QS P QD QS
625 5 175 5P P
450 10P
$45P
625 5 625 5(45) 400QD P
175 5 175 5(45) 400QS P
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 9
Perfect Competition:
Short-Run Equilibrium
Firm’s Demand Curve = Market Price
= Marginal Revenue
Firm’s Supply Curve = Marginal Cost
where Marginal Cost > Average Variable Cost
![Page 153: Managerial Economics in a by Dominick Salvatore](https://reader031.vdocument.in/reader031/viewer/2022012415/616f88c002db612a0a360803/html5/thumbnails/153.jpg)
Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 10
Perfect Competition:
Short-Run Equilibrium
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 11
Perfect Competition:
Long-Run Equilibrium
Price = Marginal Cost = Average Total Cost
Quantity is set by the firm so that short-run:
At the same quantity, long-run:
Price = Marginal Cost = Average Cost
Economic Profit = 0
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 12
Perfect Competition:
Long-Run Equilibrium
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 13
Competition in the
Global Economy
Domestic Supply
Domestic Demand
World Supply
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 14
Competition in the
Global Economy
• Foreign Exchange Rate
– Price of a foreign currency in terms of the
domestic currency
• Depreciation of the Domestic Currency
– Increase in the price of a foreign currency
relative to the domestic currency
• Appreciation of the Domestic Currency
– Decrease in the price of a foreign currency
relative to the domestic currency
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 15
Competition in the
Global Economy
Demand for Euros
Supply of Euros
R = Exchange Rate = Dollar Price of Euros /€
€
€
€
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 16
Monopoly
• Single seller that produces a product
with no close substitutes
• Sources of Monopoly
– Control of an essential input to a product
– Patents or copyrights
– Economies of scale: Natural monopoly
– Government franchise: Post office
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 17
Monopoly
Short-Run Equilibrium
• Demand curve for the firm is the market
demand curve
• Firm produces a quantity (Q*) where
marginal revenue (MR) is equal to
marginal cost (MR)
• Exception: Q* = 0 if average variable
cost (AVC) is above the demand curve
at all levels of output
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 18
Monopoly
Short-Run Equilibrium
Q* = 500
P* = $11
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 19
Monopoly
Long-Run Equilibrium
Q* = 700
P* = $9
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 20
Social Cost of Monopoly
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 21
Monopolistic Competition
• Many sellers of differentiated (similar
but not identical) products
• Limited monopoly power
• Downward-sloping demand curve
• Increase in market share by
competitors causes decrease in
demand for the firm’s product
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 22
Monopolistic Competition
Short-Run Equilibrium
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 23
Monopolistic Competition
Long-Run Equilibrium
Profit = 0
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 24
Monopolistic Competition
Long-Run Equilibrium
Cost without selling expenses
Cost with selling expenses
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 1
Managerial Economics in a
Global Economy, 5th Edition
by
Dominick Salvatore
Chapter 9
Oligopoly and Firm Architecture
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 2
Oligopoly
• Few sellers of a product
• Nonprice competition
• Barriers to entry
• Duopoly - Two sellers
• Pure oligopoly - Homogeneous product
• Differentiated oligopoly - Differentiated
product
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 3
Sources of Oligopoly
• Economies of scale
• Large capital investment required
• Patented production processes
• Brand loyalty
• Control of a raw material or resource
• Government franchise
• Limit pricing
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 4
Measures of Oligopoly
• Concentration Ratios
– 4, 8, or 12 largest firms in an industry
• Herfindahl Index (H)
– H = Sum of the squared market shares of
all firms in an industry
• Theory of Contestable Markets
– If entry is absolutely free and exit is entirely
costless then firms will operate as if they
are perfectly competitive
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 5
Cournot Model
• Proposed by Augustin Cournot
• Behavioral assumption
– Firms maximize profits under the
assumption that market rivals will not
change their rates of production.
• Bertrand Model
– Firms assume that their market rivals will
not change their prices.
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 6
Cournot Model
• Example
– Two firms (duopoly)
– Identical products
– Marginal cost is zero
– Initially Firm A has a monopoly and then
Firm B enters the market
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 7
Cournot Model
• Adjustment process
– Entry by Firm B reduces the demand for
Firm A’s product
– Firm A reacts by reducing output, which
increases demand for Firm B’s product
– Firm B reacts by increasing output, which
reduces demand for Firm A’s product
– Firm A then reduces output further
– This continues until equilibrium is attained
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 8
Cournot Model
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 9
Cournot Model
• Equilibrium
– Firms are maximizing profits
simultaneously
– The market is shared equally among the
firms
– Price is above the competitive equilibrium
and below the monopoly equilibrium
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 10
Kinked Demand Curve Model
• Proposed by Paul Sweezy
• If an oligopolist raises price, other firms
will not follow, so demand will be elastic
• If an oligopolist lowers price, other firms
will follow, so demand will be inelastic
• Implication is that demand curve will be
kinked, MR will have a discontinuity,
and oligopolists will not change price
when marginal cost changes
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 11
Kinked Demand Curve Model
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 12
Cartels
• Collusion
– Cooperation among firms to restrict
competition in order to increase profits
• Market-Sharing Cartel
– Collusion to divide up markets
• Centralized Cartel
– Formal agreement among member firms to
set a monopoly price and restrict output
– Incentive to cheat
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 13
Centralized Cartel
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 14
Price Leadership
• Implicit Collusion
• Price Leader (Barometric Firm)
– Largest, dominant, or lowest cost firm in
the industry
– Demand curve is defined as the market
demand curve less supply by the followers
• Followers
– Take market price as given and behave as
perfect competitors
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 15
Price Leadership
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 16
Efficiency of Oligopoly
• Price is usually greater then long-run
average cost (LAC)
• Quantity produced usually does
correspond to minimum LAC
• Price is usually greater than long-run
marginal cost (LMC)
• When a differentiated product is
produced, too much may be spent on
advertising and model changes
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 17
Sales Maximization Model
• Proposed by William Baumol
• Managers seek to maximize sales, after
ensuring that an adequate rate of return
has been earned, rather than to
maximize profits
• Sales (or total revenue, TR) will be at a
maximum when the firm produces a
quantity that sets marginal revenue
equal to zero (MR = 0)
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 18
Sales Maximization Model
MR = 0
where
Q = 50
MR = MC
where
Q = 40
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 19
Global Oligopolists
• Impetus toward globalization
– Advances in telecommunications and
transportation
– Globalization of tastes
– Reduction of barriers to international trade
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 20
Architecture of the Ideal Firm
• Core Competencies
• Outsourcing of Non-Core Tasks
• Learning Organization
• Efficient and Flexibile
• Integrates Physical and Virtual
• Real-Time Enterprise
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 21
Extending the Firm
• Virtual Corporation
– Temporary network of independent
companies working together to exploit a
business opportunity
• Relationship Enterprise
– Strategic alliances
– Complementary capabilities and resources
– Stable longer-term relationships
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 1
Managerial Economics in a
Global Economy, 5th Edition
by
Dominick Salvatore
Chapter 10
Game Theory and
Strategic Behavior
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 2
Strategic Behavior
• Decisions that take into account the
predicted reactions of rival firms
– Interdependence of outcomes
• Game Theory
– Players
– Strategies
– Payoff matrix
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 3
Strategic Behavior
• Types of Games
– Zero-sum games
– Nonzero-sum games
• Nash Equilibrium
– Each player chooses a strategy that is
optimal given the strategy of the other
player
– A strategy is dominant if it is optimal
regardless of what the other player does
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 4
Advertising Example 1
Advertise Don't Advertise
Advertise (4, 3) (5, 1)
Don't Advertise (2, 5) (3, 2)
Firm B
Firm A
![Page 193: Managerial Economics in a by Dominick Salvatore](https://reader031.vdocument.in/reader031/viewer/2022012415/616f88c002db612a0a360803/html5/thumbnails/193.jpg)
Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 5
Advertising Example 1
Advertise Don't Advertise
Advertise (4, 3) (5, 1)
Don't Advertise (2, 5) (3, 2)
Firm B
Firm A
What is the optimal strategy for Firm A if Firm B chooses to
advertise?
![Page 194: Managerial Economics in a by Dominick Salvatore](https://reader031.vdocument.in/reader031/viewer/2022012415/616f88c002db612a0a360803/html5/thumbnails/194.jpg)
Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 6
Advertising Example 1
Advertise Don't Advertise
Advertise (4, 3) (5, 1)
Don't Advertise (2, 5) (3, 2)
Firm B
Firm A
What is the optimal strategy for Firm A if Firm B chooses to
advertise?
If Firm A chooses to advertise, the payoff is 4. Otherwise,
the payoff is 2. The optimal strategy is to advertise.
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 7
Advertising Example 1
Advertise Don't Advertise
Advertise (4, 3) (5, 1)
Don't Advertise (2, 5) (3, 2)
Firm B
Firm A
What is the optimal strategy for Firm A if Firm B chooses
not to advertise?
![Page 196: Managerial Economics in a by Dominick Salvatore](https://reader031.vdocument.in/reader031/viewer/2022012415/616f88c002db612a0a360803/html5/thumbnails/196.jpg)
Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 8
Advertising Example 1
Advertise Don't Advertise
Advertise (4, 3) (5, 1)
Don't Advertise (2, 5) (3, 2)
Firm B
Firm A
What is the optimal strategy for Firm A if Firm B chooses
not to advertise?
If Firm A chooses to advertise, the payoff is 5. Otherwise,
the payoff is 3. Again, the optimal strategy is to advertise.
![Page 197: Managerial Economics in a by Dominick Salvatore](https://reader031.vdocument.in/reader031/viewer/2022012415/616f88c002db612a0a360803/html5/thumbnails/197.jpg)
Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 9
Advertising Example 1
Advertise Don't Advertise
Advertise (4, 3) (5, 1)
Don't Advertise (2, 5) (3, 2)
Firm B
Firm A
Regardless of what Firm B decides to do, the optimal
strategy for Firm A is to advertise. The dominant strategy
for Firm A is to advertise.
![Page 198: Managerial Economics in a by Dominick Salvatore](https://reader031.vdocument.in/reader031/viewer/2022012415/616f88c002db612a0a360803/html5/thumbnails/198.jpg)
Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 10
Advertising Example 1
Advertise Don't Advertise
Advertise (4, 3) (5, 1)
Don't Advertise (2, 5) (3, 2)
Firm B
Firm A
What is the optimal strategy for Firm B if Firm A chooses to
advertise?
![Page 199: Managerial Economics in a by Dominick Salvatore](https://reader031.vdocument.in/reader031/viewer/2022012415/616f88c002db612a0a360803/html5/thumbnails/199.jpg)
Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 11
Advertising Example 1
Advertise Don't Advertise
Advertise (4, 3) (5, 1)
Don't Advertise (2, 5) (3, 2)
Firm B
Firm A
What is the optimal strategy for Firm B if Firm A chooses to
advertise?
If Firm B chooses to advertise, the payoff is 3. Otherwise,
the payoff is 1. The optimal strategy is to advertise.
![Page 200: Managerial Economics in a by Dominick Salvatore](https://reader031.vdocument.in/reader031/viewer/2022012415/616f88c002db612a0a360803/html5/thumbnails/200.jpg)
Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 12
Advertising Example 1
Advertise Don't Advertise
Advertise (4, 3) (5, 1)
Don't Advertise (2, 5) (3, 2)
Firm B
Firm A
What is the optimal strategy for Firm B if Firm A chooses
not to advertise?
![Page 201: Managerial Economics in a by Dominick Salvatore](https://reader031.vdocument.in/reader031/viewer/2022012415/616f88c002db612a0a360803/html5/thumbnails/201.jpg)
Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 13
Advertising Example 1
Advertise Don't Advertise
Advertise (4, 3) (5, 1)
Don't Advertise (2, 5) (3, 2)
Firm B
Firm A
What is the optimal strategy for Firm B if Firm A chooses
not to advertise?
If Firm B chooses to advertise, the payoff is 5. Otherwise,
the payoff is 2. Again, the optimal strategy is to advertise.
![Page 202: Managerial Economics in a by Dominick Salvatore](https://reader031.vdocument.in/reader031/viewer/2022012415/616f88c002db612a0a360803/html5/thumbnails/202.jpg)
Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 14
Advertising Example 1
Advertise Don't Advertise
Advertise (4, 3) (5, 1)
Don't Advertise (2, 5) (3, 2)
Firm B
Firm A
Regardless of what Firm A decides to do, the optimal
strategy for Firm B is to advertise. The dominant strategy
for Firm B is to advertise.
![Page 203: Managerial Economics in a by Dominick Salvatore](https://reader031.vdocument.in/reader031/viewer/2022012415/616f88c002db612a0a360803/html5/thumbnails/203.jpg)
Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 15
Advertising Example 1
Advertise Don't Advertise
Advertise (4, 3) (5, 1)
Don't Advertise (2, 5) (3, 2)
Firm B
Firm A
The dominant strategy for Firm A is to advertise and the
dominant strategy for Firm B is to advertise. The Nash
equilibrium is for both firms to advertise.
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 16
Advertise Don't Advertise
Advertise (4, 3) (5, 1)
Don't Advertise (2, 5) (6, 2)
Firm B
Firm A
Advertising Example 2
![Page 205: Managerial Economics in a by Dominick Salvatore](https://reader031.vdocument.in/reader031/viewer/2022012415/616f88c002db612a0a360803/html5/thumbnails/205.jpg)
Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 17
Advertising Example 2
What is the optimal strategy for Firm A if Firm B chooses to
advertise?
Advertise Don't Advertise
Advertise (4, 3) (5, 1)
Don't Advertise (2, 5) (6, 2)
Firm B
Firm A
![Page 206: Managerial Economics in a by Dominick Salvatore](https://reader031.vdocument.in/reader031/viewer/2022012415/616f88c002db612a0a360803/html5/thumbnails/206.jpg)
Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 18
Advertising Example 2
What is the optimal strategy for Firm A if Firm B chooses to
advertise?
If Firm A chooses to advertise, the payoff is 4. Otherwise,
the payoff is 2. The optimal strategy is to advertise.
Advertise Don't Advertise
Advertise (4, 3) (5, 1)
Don't Advertise (2, 5) (6, 2)
Firm B
Firm A
![Page 207: Managerial Economics in a by Dominick Salvatore](https://reader031.vdocument.in/reader031/viewer/2022012415/616f88c002db612a0a360803/html5/thumbnails/207.jpg)
Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 19
Advertising Example 2
What is the optimal strategy for Firm A if Firm B chooses
not to advertise?
Advertise Don't Advertise
Advertise (4, 3) (5, 1)
Don't Advertise (2, 5) (6, 2)
Firm B
Firm A
![Page 208: Managerial Economics in a by Dominick Salvatore](https://reader031.vdocument.in/reader031/viewer/2022012415/616f88c002db612a0a360803/html5/thumbnails/208.jpg)
Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 20
Advertising Example 2
What is the optimal strategy for Firm A if Firm B chooses
not to advertise?
If Firm A chooses to advertise, the payoff is 5. Otherwise,
the payoff is 6. In this case, the optimal strategy is not to
advertise.
Advertise Don't Advertise
Advertise (4, 3) (5, 1)
Don't Advertise (2, 5) (6, 2)
Firm B
Firm A
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 21
Advertise Don't Advertise
Advertise (4, 3) (5, 1)
Don't Advertise (2, 5) (6, 2)
Firm B
Firm A
Advertising Example 2
The optimal strategy for Firm A depends on which strategy
is chosen by Firms B. Firm A does not have a dominant
strategy.
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 22
Advertising Example 2
What is the optimal strategy for Firm B if Firm A chooses to
advertise?
Advertise Don't Advertise
Advertise (4, 3) (5, 1)
Don't Advertise (2, 5) (6, 2)
Firm B
Firm A
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 23
Advertising Example 2
What is the optimal strategy for Firm B if Firm A chooses to
advertise?
If Firm B chooses to advertise, the payoff is 3. Otherwise,
the payoff is 1. The optimal strategy is to advertise.
Advertise Don't Advertise
Advertise (4, 3) (5, 1)
Don't Advertise (2, 5) (6, 2)
Firm B
Firm A
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 24
Advertising Example 2
What is the optimal strategy for Firm B if Firm A chooses
not to advertise?
Advertise Don't Advertise
Advertise (4, 3) (5, 1)
Don't Advertise (2, 5) (6, 2)
Firm B
Firm A
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 25
Advertising Example 2
What is the optimal strategy for Firm B if Firm A chooses
not to advertise?
If Firm B chooses to advertise, the payoff is 5. Otherwise,
the payoff is 2. Again, the optimal strategy is to advertise.
Advertise Don't Advertise
Advertise (4, 3) (5, 1)
Don't Advertise (2, 5) (6, 2)
Firm B
Firm A
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 26
Advertising Example 2
Regardless of what Firm A decides to do, the optimal
strategy for Firm B is to advertise. The dominant strategy
for Firm B is to advertise.
Advertise Don't Advertise
Advertise (4, 3) (5, 1)
Don't Advertise (2, 5) (6, 2)
Firm B
Firm A
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 27
Advertising Example 2
Advertise Don't Advertise
Advertise (4, 3) (5, 1)
Don't Advertise (2, 5) (3, 2)
Firm B
Firm A
The dominant strategy for Firm B is to advertise. If Firm B
chooses to advertise, then the optimal strategy for Firm A
is to advertise. The Nash equilibrium is for both firms to
advertise.
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 28
Prisoners’ Dilemma
Two suspects are arrested for armed robbery. They are
immediately separated. If convicted, they will get a term
of 10 years in prison. However, the evidence is not
sufficient to convict them of more than the crime of
possessing stolen goods, which carries a sentence of
only 1 year.
The suspects are told the following: If you confess and
your accomplice does not, you will go free. If you do not
confess and your accomplice does, you will get 10
years in prison. If you both confess, you will both get 5
years in prison.
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 29
Prisoners’ Dilemma
Confess Don't Confess
Confess (5, 5) (0, 10)
Don't Confess (10, 0) (1, 1)
Individual B
Individual A
Payoff Matrix (negative values)
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 30
Prisoners’ Dilemma
Confess Don't Confess
Confess (5, 5) (0, 10)
Don't Confess (10, 0) (1, 1)
Individual B
Individual A
Dominant Strategy
Both Individuals Confess
(Nash Equilibrium)
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 31
Low Price High Price
Low Price (2, 2) (5, 1)
High Price (1, 5) (3, 3)
Firm B
Firm A
Prisoners’ Dilemma
Application: Price Competition
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 32
Low Price High Price
Low Price (2, 2) (5, 1)
High Price (1, 5) (3, 3)
Firm B
Firm A
Prisoners’ Dilemma
Application: Price Competition
Dominant Strategy: Low Price
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 33
Advertise Don't Advertise
Advertise (2, 2) (5, 1)
Don't Advertise (1, 5) (3, 3)
Firm B
Firm A
Prisoners’ Dilemma
Application: Nonprice Competition
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 34
Prisoners’ Dilemma
Application: Nonprice Competition
Dominant Strategy: Advertise
Advertise Don't Advertise
Advertise (2, 2) (5, 1)
Don't Advertise (1, 5) (3, 3)
Firm B
Firm A
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 35
Cheat Don't Cheat
Cheat (2, 2) (5, 1)
Don't Cheat (1, 5) (3, 3)
Firm B
Firm A
Prisoners’ Dilemma
Application: Cartel Cheating
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 36
Cheat Don't Cheat
Cheat (2, 2) (5, 1)
Don't Cheat (1, 5) (3, 3)
Firm B
Firm A
Prisoners’ Dilemma
Application: Cartel Cheating
Dominant Strategy: Cheat
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 37
Extensions of Game Theory
• Repeated Games
– Many consecutive moves and
countermoves by each player
• Tit-For-Tat Strategy
– Do to your opponent what your
opponent has just done to you
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 38
Extensions of Game Theory
• Tit-For-Tat Strategy
– Stable set of players
– Small number of players
– Easy detection of cheating
– Stable demand and cost conditions
– Game repeated a large and
uncertain number of times
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 39
Extensions of Game Theory
• Threat Strategies
– Credibility
– Reputation
– Commitment
– Example: Entry deterrence
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 40
Entry Deterrence
Enter Do Not Enter
Low Price (4, -2) (6, 0)
High Price (7, 2) (10, 0)
Firm B
Firm A
Enter Do Not Enter
Low Price (4, -2) (6, 0)
High Price (3, 2) (8, 0)
Firm B
Firm A
Credible Entry Deterrence
No Credible Entry Deterrence
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 41
Entry Deterrence
Enter Do Not Enter
Low Price (4, -2) (6, 0)
High Price (7, 2) (10, 0)
Firm B
Firm A
Enter Do Not Enter
Low Price (4, -2) (6, 0)
High Price (3, 2) (8, 0)
Firm B
Firm A
Credible Entry Deterrence
No Credible Entry Deterrence
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 42
International Competition
Produce Don't Product
Produce (-10, -10) (100, 0)
Don't Produce (0, 100) (0, 0)
Airbus
Boeing
Boeing Versus Airbus Industrie
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 43
Sequential Games
• Sequence of moves by rivals
• Payoffs depend on entire sequence
• Decision trees
– Decision nodes
– Branches (alternatives)
• Solution by reverse induction
– From final decision to first decision
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 44
High-price, Low-price
Strategy Game
A
B
B
High Price
High Price
Low Price
Low Price
Low Price
High Price
$100 $100
$130 $50
$180 $80
$150 $120
Firm A Firm B
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 45
High-price, Low-price
Strategy Game
A
B
B
High Price
High Price
Low Price
Low Price
Low Price
High Price
$100 $100
$130 $50
$180 $80
$150 $120
Firm A Firm B
X
X
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 46
High-price, Low-price
Strategy Game
A
B
B
High Price
High Price
Low Price
Low Price
Low Price
High Price
$100 $100
$130 $50
$180 $80
$150 $120
Firm A Firm B
X
X X Solution:
Both firms
choose low
price.
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 47
Airbus and Boeing
A
B
B
Jumbo Jet
Jumbo Jet
Sonic Cruiser
Sonic Cruiser
No A380
A380
$50 $50
$120 $100
$0 $150
$0 $200
Airbus Boeing
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 48
Airbus and Boeing
A
B
B
Jumbo Jet
Jumbo Jet
Sonic Cruiser
Sonic Cruiser
No A380
A380
$50 $50
$120 $100
$0 $150
$0 $200
Airbus Boeing
X
X
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 49
Airbus and Boeing
A
B
B
Jumbo Jet
Jumbo Jet
Sonic Cruiser
Sonic Cruiser
No A380
A380
$50 $50
$120 $100
$0 $150
$0 $200
Airbus Boeing
X
X X
Solution:
Airbus builds
A380 and
Boeing builds
Sonic Cruiser.
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 50
Integrating
Case Study
A
B
B
A
A
A
A
Advertise
Not Advertise
Low Price
Low Price
High Price
High Price
Hig
h Pr
ice
Low
Price
60 70
100 50
40 60
75 70
70 50
90 40
80 50
60 30
Firm A Firm B
Advertise
Not Advertise
Advertise
Not Advertise
Advertise
Not Advertise
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 1
Managerial Economics in a
Global Economy, 5th Edition
by
Dominick Salvatore
Chapter 11
Pricing Practices
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 2
Pricing of Multiple Products
• Products with Interrelated Demands
• Plant Capacity Utilization and Optimal
Product Pricing
• Optimal Pricing of Joint Products
– Fixed Proportions
– Variable Proportions
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 3
Pricing of Multiple Products
Products with Interrelated Demands
For a two-product (A and B) firm, the marginal
revenue functions of the firm are:
A BA
A A
TR TRMR
Q Q
B AB
B
TR TRMR
QB Q
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 4
Pricing of Multiple Products
Plant Capacity Utilization
A multi-product firm using a single plant should produce
quantities where the marginal revenue (MRi) from each
of its k products is equal to the marginal cost (MC) of
production.
1 2 kMR MR MR MC
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 5
Pricing of Multiple Products
Plant Capacity Utilization
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 6
Pricing of Multiple Products
Joint Products in Fixed Proportions
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 7
Pricing of Multiple Products
Joint Products in Variable Proportions
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 8
Price Discrimination
Charging different prices for a product
when the price differences are not
justified by cost differences.
Objective of the firm is to attain higher
profits than would be available
otherwise.
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 9
Price Discrimination
1.Firm must be an imperfect competitor (a
price maker)
2.Price elasticity must differ for units of
the product sold at different prices
3.Firm must be able to segment the
market and prevent resale of units
across market segments
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 10
First-Degree
Price Discrimination
• Each unit is sold at the highest possible
price
• Firm extracts all of the consumers’
surplus
• Firm maximizes total revenue and profit
from any quantity sold
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 11
Second-Degree
Price Discrimination
• Charging a uniform price per unit for a
specific quantity, a lower price per unit
for an additional quantity, and so on
• Firm extracts part, but not all, of the
consumers’ surplus
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 12
First- and Second-Degree
Price Discrimination
In the absence of price discrimination, a firm
that charges $2 and sells 40 units will have
total revenue equal to $80.
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 13
First- and Second-Degree
Price Discrimination
In the absence of price discrimination, a firm
that charges $2 and sells 40 units will have
total revenue equal to $80.
Consumers will have consumers’ surplus
equal to $80.
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 14
First- and Second-Degree
Price Discrimination
If a firm that practices first-degree price
discrimination charges $2 and sells 40 units,
then total revenue will be equal to $160 and
consumers’ surplus will be zero.
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 15
First- and Second-Degree
Price Discrimination
If a firm that practices second-degree price
discrimination charges $4 per unit for the first
20 units and $2 per unit for the next 20 units,
then total revenue will be equal to $120 and
consumers’ surplus will be $40.
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 16
Third-Degree
Price Discrimination
• Charging different prices for the same
product sold in different markets
• Firm maximizes profits by selling a
quantity on each market such that the
marginal revenue on each market is
equal to the marginal cost of production
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 17
Third-Degree
Price Discrimination
Q1 = 120 - 10 P1 or P1 = 12 - 0.1 Q1 and MR1 = 12 - 0.2 Q1
Q2 = 120 - 20 P2 or P2 = 6 - 0.05 Q2 and MR2 = 6 - 0.1 Q2
MR1 = MC = 2 MR2 = MC = 2
MR1 = 12 - 0.2 Q1 = 2
Q1 = 50
MR2 = 6 - 0.1 Q2 = 2
Q2 = 40
P2 = 6 - 0.05 (40) = $4 P1 = 12 - 0.1 (50) = $7
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 18
Third-Degree
Price Discrimination
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 19
International
Price Discrimination
• Persistent Dumping
• Predatory Dumping
– Temporary sale at or below cost
– Designed to bankrupt competitors
– Trade restrictions apply
• Sporadic Dumping
– Occasional sale of surplus output
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 20
Transfer Pricing
• Pricing of intermediate products sold by
one division of a firm and purchased by
another division of the same firm
• Made necessary by decentralization
and the creation of semiautonomous
profit centers within firms
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 21
Transfer Pricing
No External Market
Transfer Price = Pt
MC of Intermediate Good = MCp
Pt = MCp
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 22
Transfer Pricing
Competitive External Market
Transfer Price = Pt
MC of Intermediate Good = MC’p
Pt = MC’p
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 23
Transfer Pricing Imperfectly Competitive External Market
Transfer Price = Pt = $4 External Market Price = Pe = $6
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 24
Pricing in Practice
Cost-Plus Pricing
• Markup or Full-Cost Pricing
• Fully Allocated Average Cost (C)
– Average variable cost at normal output
– Allocated overhead
• Markup on Cost (m) = (P - C)/C
• Price = P = C (1 + m)
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 25
Pricing in Practice
Optimal Markup
11
P
MR PE
1
P
p
EP MR
E
MR C
1
P
p
EP C
E
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 26
Pricing in Practice
Optimal Markup
1
P
p
EP C
E
(1 )P C m
(1 )1
P
p
EC m C
E
11
P
P
Em
E
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 27
Pricing in Practice
Incremental Analysis
A firm should take an action if the
incremental increase in revenue from
the action exceeds the incremental
increase in cost from the action.
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 28
Pricing in Practice
• Two-Part Tariff
• Tying
• Bundling
• Prestige Pricing
• Price Lining
• Skimming
• Value Pricing
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 1
Managerial Economics in a
Global Economy, 5th Edition
by
Dominick Salvatore
Chapter 12
Regulation and Antitrust: The Role
of Government in the Economy
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 2
Government Regulation
Restriction of Competition
• Licensing
– Ensure a minimum degree of competence
– Restriction on entry
• Patent
– Exclusive use of an invention for 17 years
– Limited monopoly
• Robinson-Patman Act (1936)
– Restrictions on price competition
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 3
Government Regulation
Consumer Protection
Food and Drug Act of 1906
– Forbids adulteration and mislabeling of
foods and drugs sold in interstate
commerce
– Recently expanded to include cosmetics
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 4
Government Regulation
Consumer Protection
Federal Trade Commission Act of 1914
– Protects firms against unfair methods of
competition based on misrepresentation
– Price of products
– Country of origin
– Usefulness of product
– Quality of product
– Wheeler-Lea Act of 1938 prohibits false or
deceptive advertising
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 5
Government Regulation
Consumer Protection
1990 Nutrition Labeling Act
– Food and Drug Administration (FDA)
– Labeling requirements on all foods sold in
the United States
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 6
Government Regulation
Consumer Protection • Consumer Credit Protection Act of 1968
– Requires lenders to disclose credit terms to
borrowers
• Consumer Product Safety Commission
– Protect consumers from dangerous
products
– Provide product information to consumers
– Set safety standards
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 7
Government Regulation
Consumer Protection • Fair Credit Reporting Act of 1971
– Right to examine credit file
– Bans credit discrimination
• Warranty Act of 1975
– Requires clear explanations of warranties
• National Highway Traffic Safety
Administration (NHTSA)
– Imposes safety standards on traffic
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 8
Government Regulation
Worker Protection
• Occupational Safety and Health
Administration (OSHA)
– Safety standards in the work place
• Equal Employment Opportunity
Commission (EEOC)
– Hiring and firing standards
• Minimum Wage Laws
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 9
Government Regulation
Protection of the Environment
• Environmental Protection Agency (EPA)
– Regulates environmental usage
– Enforces environmental legislation
• Clean Air Act of 1990
– Requires reduction in overall pollution
– Established a market for pollution permits
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 10
Externalities
• Externalities are harmful or beneficial
side effects of the production or
consumption of some products
• Public Interest Theory of Regulation
– Regulation is justified when it is undertaken
to overcome market failures
– Externalities can cause market failures
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 11
Externalities
• External Diseconomies of Production or
Consumption
– Uncompensated costs
• External Economies of Production or
Consumption
– Uncompensated benefits
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 12
Externalities MSC = Marginal Social Cost MSB = Marginal Social Benefit
Activity of A imposes external cost
on B. Socially optimal output is 3.
Activity of A causes external benefit
for B. Socially optimal output is 10.
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 13
Externalities Activity of A imposes external cost
on B. Socially optimal output is 3.
Tax yields this result
Activity of A causes external benefit
for B. Socially optimal output is 10.
Subsidy yields this result.
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 14
Public Utility Regulation
• Natural Monopolies
• Long-Run Average Cost (LAC) has a
negative slope
• Long-Run Marginal Cost (LMC) is below
LAC
• Regulators Set Price = LAC
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 15
Public Utility Regulation
Regulators set price = $2
Socially optimal price = $1
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 16
Public Utility Regulation
• Rate regulation is difficult in practice
• Guaranteed return gives little incentive
to control costs
• Averch-Johnson Effect
– Rates that are set too high or too low can
lead to over- or under-investment by in
plant and equipment by utility
• Regulatory Lag or 9-12 Months
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 17
Antitrust
Sherman Act (1890)
• Made any contract, combination in the
form of a trust or otherwise, or
conspiracy, in restraint of trade illegal
• Made monopolization or conspiracies to
monopolize markets illegal
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 18
Antitrust
Clayton Act (1914)
• Made it illegal to engage in any of the
following if the effect was to lessen
competition or create a monopoly
– Price discrimination
– Exclusive or tying contracts
– Acquisition of competitors stocks
– Interlocking directorates among
competitors
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 19
Antitrust
Clayton Act (1914)
• Federal Trade Commission Act (1914)
– Prohibited “unfair methods of competition”
• Robinson-Patman Act (1936)
– Prohibited “unreasonable low prices”
• Wheeler-Lea Act (1938)
– Prohibited false or deceptive advertising to
protect consumers
• Celler-Kefauver Antimerger Act (195)
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 20
Antitrust
Enforcement
• Remedies
– Dissolution and divestiture
– Injunction
– Consent decree
– Fines and jail sentences
• Anticompetitive Conduct
– Conscious parallelism
– Predatory pricing
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 21
Regulation
International Competition
• Tariff
– Tax on imports
• Import Quota
– Restricts quantity of imports
• Voluntary Export Restraint
– Exporter restricts quantity of exports
• Antidumping Complaints
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 22
Regulation
International Competition
Tariff raises price from
$3 to $4 and reduces
imports from 400 to 200.
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 1
Managerial Economics in a
Global Economy, 5th Edition
by
Dominick Salvatore
Chapter 13
Risk Analysis
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 2
Risk and Uncertainty
• Risk
– Situation where there is more than one
possible outcome to a decision and the
probability of each outcome is known
• Uncertainty
– Situation where there is more than one
possible outcome to a decision and the
probability of each outcome is unknown
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 3
Measuring Risk
Probability Distributions
• Probability
– Chance that an event will occur
• Probability Distribution
– List of all possible events and the
probability that each will occur
• Expected Value or Expected Profit
1
( )n
i i
i
E P
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 4
Measuring Risk
Probability Distributions Calculation of Expected Profit
State of Probability Outcome Expected
Project Economy (P) () Value
Boom 0.25 $600 $150
Normal 0.50 500 250
Recession 0.25 400 100
$500
Boom 0.25 $800 $200
Normal 0.50 500 250
Recession 0.25 200 50
$500
Expected profit from Project A
A
B
Expected profit from Project B
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 5
Measuring Risk
Probability Distributions
• Discrete Probability Distribution
– List of individual events and their
probabilities
– Represented by a bar chart or histogram
• Continuous Probability Distribution
– Continuous range of events and their
probabilities
– Represented by a smooth curve
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 6
Measuring Risk
Probability Distributions
Discrete Probability Distributions
Project A; E() = 500, Low Risk Project B: E() = 500, High Risk
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 7
Measuring Risk
Probability Distributions
Continuous Probability Distributions
Project A: E() = 500, Low Risk Project B: E() = 500, High Risk
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 8
Measuring Risk
Probability Distributions
An Absolute Measure of Risk:
The Standard Deviation
2
1
( )n
i i
i
X X P
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 9
Measuring Risk
Probability Distributions
Calculation of the Standard Deviation
Project A
2 2 2(600 500) (0.25) (500 500) (0.50) (400 500) (0.25)
5,000 $70.71
![Page 298: Managerial Economics in a by Dominick Salvatore](https://reader031.vdocument.in/reader031/viewer/2022012415/616f88c002db612a0a360803/html5/thumbnails/298.jpg)
Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 10
Measuring Risk
Probability Distributions
Calculation of the Standard Deviation
Project B
2 2 2(800 500) (0.25) (500 500) (0.50) (200 500) (0.25)
45,000 $212.13
![Page 299: Managerial Economics in a by Dominick Salvatore](https://reader031.vdocument.in/reader031/viewer/2022012415/616f88c002db612a0a360803/html5/thumbnails/299.jpg)
Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 11
Measuring Risk
Probability Distributions
The Normal Distribution
iZ
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 12
Measuring Risk
Probability Distributions
A Relative Measure of Risk:
The Coefficient of Variation
v
70.710.14
500Av
212.130.42
500Bv
Project A Project B
![Page 301: Managerial Economics in a by Dominick Salvatore](https://reader031.vdocument.in/reader031/viewer/2022012415/616f88c002db612a0a360803/html5/thumbnails/301.jpg)
Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 13
Utility Theory
• Risk Averse
– Must be compensated for taking on risk
– Diminishing marginal utility of money
• Risk Neutral
– Are indifferent to risk
– Constant marginal utility of money
• Risk Seeking
– Prefer to take on risk
– Increasing marginal utility of money
![Page 302: Managerial Economics in a by Dominick Salvatore](https://reader031.vdocument.in/reader031/viewer/2022012415/616f88c002db612a0a360803/html5/thumbnails/302.jpg)
Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 14
Utility Theory
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 15
Utility Theory
Utility Function of a Risk Averse Manager
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 16
• Value of the Firm = Net Present Value
• Risk-Adjusted Discount Rate
Adjusting Value for Risk
k r Risk Premium
1 (1 )
nt
tt
NPVr
1 (1 )
nt
tt
NPVk
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 17
Adjusting Value for Risk
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 18
Adjusting Value for Risk
• Certainty Equivalent Approach
• Certainty Equivalent Coefficient
1 (1 )
nt
tt
RNPV
r
*
t
t
Requivalent certain sum
expected risky sum R
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 19
Other Techniques
• Decision Trees
– Sequence of possible managerial
decisions and their expected outcomes
– Conditional probabilities
• Simulation
– Sensitivity analysis
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 21
Uncertainty
• Maximin Criterion
– Determine worst possible outcome for
each strategy
– Select the strategy that yields the best of
the worst outcomes
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 22
Uncertainty: Maximin
Strategy Success Failure Maximin
Invest 20,000 -10,000 -10,000
Do Not Invest 0 0 0
State of Nature
The payoff matrix below shows the payoffs from
two states of nature and two strategies.
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 23
Uncertainty: Maximin
Strategy Success Failure Maximin
Invest 20,000 -10,000 -10,000
Do Not Invest 0 0 0
State of Nature
The payoff matrix below shows the payoffs from
two states of nature and two strategies.
For the strategy “Invest” the worst outcome is a
loss of 10,000. For the strategy “Do Not Invest” the
worst outcome is 0. The maximin strategy is the
best of the two worst outcomes - Do Not Invest.
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 24
Uncertainty: Minimax Regret
The payoff matrix below shows the payoffs from
two states of nature and two strategies.
Strategy Success Failure
Invest 20,000 -10,000
Do Not Invest 0 0
State of Nature
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 25
Uncertainty: Minimax Regret
The regret matrix represents the difference
between the a given strategy and the payoff of the
best strategy under the same state of nature.
Strategy Success Failure Success Failure
Invest 20,000 -10,000 0 10,000
Do Not Invest 0 0 20,000 0
State of Nature Regret Matrix
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 26
Uncertainty: Minimax Regret
For each strategy, the maximum regret is identified.
The minimax regret strategy is the one that results
in the minimum value of the maximum regret.
Maximum
Strategy Success Failure Success Failure Regret
Invest 20,000 -10,000 0 10,000 10,000
Do Not Invest 0 0 20,000 0 20,000
State of Nature Regret Matrix
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 27
Uncertainty: Informal Methods
• Gather Additional Information
• Request the Opinion of an Authority
• Control the Business Environment
• Diversification
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 28
Foreign-Exchange Risk
• Foreign-Exchange Rate
– Price of a unit of a foreign currency in
terms of domestic currency
• Hedging
– Covering foreign exchange risk
– Typically uses forward currency contracts
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 29
Foreign-Exchange Risk
• Forward Contract
– Agreement to purchase or sell a specific
amount of a foreign currency at a rate
specified today for delivery at a specified
future date.
• Futures Contract
– Standardized, and more liquid, type of
forward contract for predetermined
quantities of the currency and selected
calendar dates.
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 30
Information and Risk
• Asymmetric Information
– Situation in which one party to a
transaction has less information than the
other with regard to the quality of a good
• Adverse Selection
– Problem that arises from asymmetric
information
– Low-quality goods drive high-quality goods
out of the market
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 31
Information and Risk
• Moral Hazard
– Tendency for the probability of loss to
increase when the loss is insured
• Methods of Reducing Moral Hazard
– Specifying precautions as a condition for
obtaining insurance
– Coinsurance
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 1
Managerial Economics in a
Global Economy, 5th Edition
by
Dominick Salvatore
Chapter 14
Long-Run Investment Decisions:
Capital Budgeting
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 2
Capital Budgeting Defined
Process of planning expenditures that
give rise to revenues or returns over a
number of years
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 3
Categories of Investment
• Replacement
• Cost Reduction
• Output Expansion to Accommodate
Demand Increases
• Output Expansion for New Products
• Government Regulation
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 4
Capital Budgeting Process
• Demand for Capital
– Schedule of investment projects
– Ordered from highest to lowest return
• Supply of Capital
– Marginal cost of capital
– Increasing marginal cost
• Optimal Capital Budget
– Undertake all projects where return is
greater than marginal cost
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Capital Budgeting Process
Firm will undertake
projects A, B, and C
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 6
Capital Budgeting Process
Projecting Net Cash Flows
– Incremental basis
– After-tax basis
– Depreciation is a non-cash expense
that affects cash flows through its
effect on taxes
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 7
Capital Budgeting Process
Sales $1,000,000
Less: Variable costs 500,000
Fixed costs 150,000
Depreciation 200,000
Profit before taxes $150,000
Less: Income tax 60,000
Profit after taxes $90,000
Plus: Depreciation 200,000
Net cash flow $290,000
Example: Calculation of Net Cash Flow
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 8
Capital Budgeting Process
Net Present Value (NPV)
0
1 (1 )
nt
tt
RNPV C
k
Return (net cash flow)
Risk-adjusted discount rate
Initial cost of project
Rt =
k =
C0 =
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 9
Capital Budgeting Process
Internal Rate of Return (IRR)
Return (net cash flow)
IRR
Initial cost of project
Rt =
k* =
C0 =
0
1 (1 *)
nt
tt
RC
k
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 10
Capital Rationing
Profitability Index (PI)
Return (net cash flow)
Risk-adjusted discount rate
Initial cost of project
Rt =
k =
C0 =
1
0
(1 )
nt
tt
R
kPI
C
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 11
The Cost of Capital
Cost of Debt (kd)
kd = r(1-t)
Interest rate
Marginal tax rate
After-tax cost of debt
r =
t =
kd =
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 12
The Cost of Capital Cost of Equity Capital (ke):
Risk-Free Rate Plus Premium
ke = rf + rp
ke = rf + p1 + p2
Risk free rate of return
Risk premium
Additional risk of firm’s debt
Additional risk of firm’s equities
rf =
rp =
p1 =
p2 =
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 13
The Cost of Capital Cost of Equity Capital (ke):
Dividend Valuation Model
Price of a share of stock
Constant dividend per share
Required rate of return
P =
D =
ke =
1 (1 )tt e e
D DP
k k
¥
e
Dk
P
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 14
The Cost of Capital Cost of Equity Capital (ke):
Dividend Valuation Model
Price of a share of stock
Dividend per share
Required rate of return
Growth rate of dividends
P =
D =
ke =
g =
e
DP
K g
e
Dk g
P
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 15
The Cost of Capital Cost of Equity Capital (ke):
Capital Asset Pricing Model (CAPM)
Risk-free rate of return
Beta coefficient
Average rate of return on all
shares of common stock
rf =
b =
km =
( )e f m fk r k rb
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Prepared by Robert F. Brooker, Ph.D. Copyright ©2004 by South-Western, a division of Thomson Learning. All rights reserved. Slide 16
The Cost of Capital Weighted Cost of Capital:
Composite Cost of Capital (kc)
Proportion of debt
Cost of debt
Proportion of equity
Cost of equity
wd =
kd =
we =
ke =
c d d e ek w k w k