[ppt]business cycles, unemployment, and...
TRANSCRIPT
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Business Cycles, Unemployment, and Inflation
26
McGraw-Hill/Irwin Copyright © 2012 by The McGraw-Hill Companies, Inc. All rights reserved.
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The Business Cycle
• Alternating increases and decreases in economic activity over time
• Phases of the business cycle• Peak• Recession• Trough• Expansion
LO1 26-2
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The Business CycleLe
vel o
f rea
l out
put
Time
Peak
Peak
Peak
Recession
RecessionExpansion Expansion
Trough
Trough
Growth
Trend
LO1 26-3
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Causation: A First Glance
• Business cycle fluctuations• Economic shocks• Prices are “sticky” downwards• Economic response entails
decreases in output and employment
LO1 26-4
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Unemployment
Under 16and/or
Institutionalized (71.4 million)
Not inlaborforce
(81.7 million)
Employed(139.9 million)
Unemployed(14.3 million)
Total population (307.3 million)
Labor force (154.2 million)
Unemployment rate =
14,265,000 154,142,000
X 100 = 9.3%
Unemployment rate = # of unemployed labor force
X 100
LO2 26-5
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Unemployment
• Criticisms of unemployment• Involuntary part-time workers
counted as if full-time• Discouraged workers are not
counted as unemployed
LO2 26-6
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Types of Unemployment• Frictional unemployment
• Individuals searching for jobs or waiting to take jobs soon
• Structural unemployment• Occurs due to changes in the structure of the
demand for labor• Cyclical unemployment
• Caused by the recession phase of the business cycle
LO3 26-7
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Definition of Full Employment
• Natural Rate of Unemployment (NRU)• Full employment level of
unemployment• Can vary over time
•Demographic changes•Changing job search methods•Public policy changes
• Actual unemployment can be above or fall below the NRU
LO3 26-8
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Economic Cost of Unemployment
• GDP Gap• GDP gap = actual GDP – potential
GDP• Can be negative or positive
• Okun’s Law• Every 1% of cyclical unemployment
creates a 2% GDP gap
LO3 26-9
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Economic Cost of Unemployment
LO3
Economic Cost of Unemployment
26-10
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Unequal Burdens
• Occupation• Age• Race and ethnicity• Gender• Education• Duration
LO3 26-11
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Noneconomic Costs
LO3
• Loss of skills and loss of self-respect• Plummeting morale• Family disintegration• Poverty and reduced hope• Heightened racial and ethnic tensions• Suicide, homicide, fatal heart attacks,
mental illness• Can lead to violent social and political
change26-12
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Global Perspective
LO3 26-13
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Inflation• General rise in the price level• Inflation reduces the “purchasing
power” of money• Consumer Price Index (CPI)
LO3
CPIPrice of the Most Recent Market
Basket in the Particular Year
Price estimate of the MarketBasket in 1982-1984
= x 100
CPI207.3 - 201.6
201.6= x 100= 2.8%
26-14
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Types of Inflation
• Demand-Pull inflation• Excess spending relative to output• Central bank issues too much
money• Cost-Push inflation
• Due to a rise in per-unit input costs• Supply shocks
LO3 26-15
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Redistribution Effects of Inflation
• Nominal income• Unadjusted for inflation
• Real income• Nominal income adjusted for
inflation• Anticipated vs. unanticipated income
Percentagechange in real income =
Percentage change in nominal income
Percentage change inprice level
LO3
26-16
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Who is Hurt by Inflation?
• Fixed-income receivers• Real incomes fall
• Savers• Value of accumulated savings
deteriorates• Creditors
• Lenders get paid back in “cheaper dollars”
LO3 26-17
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Who is Unaffected by Inflation?
• Flexible-income receivers• COLAs• Social Security recipients• Union members
• Debtors• Pay back the loan with “cheaper
dollars”
LO3 26-18
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Does Inflation Affect Output?• Cost-push inflation
• Reduces real output• Redistributes a decreased level of
real income• Demand-pull inflation
• One view is that zero inflation is best• Another view is that mild inflation is
best
LO3 26-19