agri 2312 chapter 12 product markets and national output
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AGRICULTURAL ECONOMICSTRANSCRIPT
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Introduction to Agricultural Economics, 5th edPenson, Capps, Rosson, and Woodward
© 2010 Pearson Higher Education,Upper Saddle River, NJ 07458. • All Rights
Reserved.
Product Markets and
National Output
Chapter 12
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Introduction to Agricultural Economics, 5th edPenson, Capps, Rosson, and Woodward
© 2010 Pearson Higher Education,Upper Saddle River, NJ 07458. • All Rights
Reserved.
Discussion Topics
Circular flow of paymentsComposition and measurement of gross
domestic productConsumption, saving and investmentEquilibrium national income and output
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Introduction to Agricultural Economics, 5th edPenson, Capps, Rosson, and Woodward
© 2010 Pearson Higher Education,Upper Saddle River, NJ 07458. • All Rights
Reserved.
Circular Flow Diagramfor
General Economy
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Introduction to Agricultural Economics, 5th edPenson, Capps, Rosson, and Woodward
© 2010 Pearson Higher Education,Upper Saddle River, NJ 07458. • All Rights
Reserved.
Page 224
We can measure macroeconomic activity in eitherresource markets orproduct markets. Resultis the same…
We can measure macroeconomic activity in eitherresource markets orproduct markets. Resultis the same…
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Introduction to Agricultural Economics, 5th edPenson, Capps, Rosson, and Woodward
© 2010 Pearson Higher Education,Upper Saddle River, NJ 07458. • All Rights
Reserved.
Page 224
Four major sectorsIn this economy…
Four major sectorsIn this economy…
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Introduction to Agricultural Economics, 5th edPenson, Capps, Rosson, and Woodward
© 2010 Pearson Higher Education,Upper Saddle River, NJ 07458. • All Rights
Reserved.
Page 224
Businesses are net borrowersin financial markets while households are net savers…
Businesses are net borrowersin financial markets while households are net savers…
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Introduction to Agricultural Economics, 5th edPenson, Capps, Rosson, and Woodward
© 2010 Pearson Higher Education,Upper Saddle River, NJ 07458. • All Rights
Reserved.
Page 224
Government receives net inflows oftaxes from businesses and householdsand is a net borrower in financial markets…
Government receives net inflows oftaxes from businesses and householdsand is a net borrower in financial markets…
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Introduction to Agricultural Economics, 5th edPenson, Capps, Rosson, and Woodward
© 2010 Pearson Higher Education,Upper Saddle River, NJ 07458. • All Rights
Reserved.
Page 224
Businesses make investment expenditures,Governments makes expenditures, andHouseholds make consumption expenditures
Businesses make investment expenditures,Governments makes expenditures, andHouseholds make consumption expenditures
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Introduction to Agricultural Economics, 5th edPenson, Capps, Rosson, and Woodward
© 2010 Pearson Higher Education,Upper Saddle River, NJ 07458. • All Rights
Reserved.
Page 224
Businesses receive funds from totalexpenditures in product markets while households, who own businesses, receive wages, rents, interest and business in resource markets profits where theyprovide labor and capital services…
Businesses receive funds from totalexpenditures in product markets while households, who own businesses, receive wages, rents, interest and business in resource markets profits where theyprovide labor and capital services…
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Introduction to Agricultural Economics, 5th edPenson, Capps, Rosson, and Woodward
© 2010 Pearson Higher Education,Upper Saddle River, NJ 07458. • All Rights
Reserved.
Measurement ofGross Domestic Product
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Introduction to Agricultural Economics, 5th edPenson, Capps, Rosson, and Woodward
© 2010 Pearson Higher Education,Upper Saddle River, NJ 07458. • All Rights
Reserved.
Page 227
Everything belowzero represents arecession
Everything belowzero represents arecession
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Introduction to Agricultural Economics, 5th edPenson, Capps, Rosson, and Woodward
© 2010 Pearson Higher Education,Upper Saddle River, NJ 07458. • All Rights
Reserved.
GDP = C + I + G + (X – M) GDP = C + I + G + (X – M) Page 225
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Introduction to Agricultural Economics, 5th edPenson, Capps, Rosson, and Woodward
© 2010 Pearson Higher Education,Upper Saddle River, NJ 07458. • All Rights
Reserved.
GDP = C + I + G + (X – M) GDP = C + I + G + (X – M) Page 225
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Introduction to Agricultural Economics, 5th edPenson, Capps, Rosson, and Woodward
© 2010 Pearson Higher Education,Upper Saddle River, NJ 07458. • All Rights
Reserved.
GDP = C + I + G + (X – M) GDP = C + I + G + (X – M) Page 225
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Introduction to Agricultural Economics, 5th edPenson, Capps, Rosson, and Woodward
© 2010 Pearson Higher Education,Upper Saddle River, NJ 07458. • All Rights
Reserved.
GDP = C + I + G + (X – M) GDP = C + I + G + (X – M) Page 225
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Introduction to Agricultural Economics, 5th edPenson, Capps, Rosson, and Woodward
© 2010 Pearson Higher Education,Upper Saddle River, NJ 07458. • All Rights
Reserved.
What’s in GDP?
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Introduction to Agricultural Economics, 5th edPenson, Capps, Rosson, and Woodward
© 2010 Pearson Higher Education,Upper Saddle River, NJ 07458. • All Rights
Reserved.
Page 226
Types of consumerexpenditures…
Types of consumerexpenditures…
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Introduction to Agricultural Economics, 5th edPenson, Capps, Rosson, and Woodward
© 2010 Pearson Higher Education,Upper Saddle River, NJ 07458. • All Rights
Reserved.
Page 226
Types of investmentexpenditures…
Types of investmentexpenditures…
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Introduction to Agricultural Economics, 5th edPenson, Capps, Rosson, and Woodward
© 2010 Pearson Higher Education,Upper Saddle River, NJ 07458. • All Rights
Reserved.
Page 226
Calculation of netexports…
Calculation of netexports…
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Introduction to Agricultural Economics, 5th edPenson, Capps, Rosson, and Woodward
© 2010 Pearson Higher Education,Upper Saddle River, NJ 07458. • All Rights
Reserved.
Page 226Types of governmentExpenditures…
Types of governmentExpenditures…
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Introduction to Agricultural Economics, 5th edPenson, Capps, Rosson, and Woodward
© 2010 Pearson Higher Education,Upper Saddle River, NJ 07458. • All Rights
Reserved.
Page 226Items not includedin GDP…
Items not includedin GDP…
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Introduction to Agricultural Economics, 5th edPenson, Capps, Rosson, and Woodward
© 2010 Pearson Higher Education,Upper Saddle River, NJ 07458. • All Rights
Reserved.
Understanding the Domestic
Determinants of GDPC, I and G
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Introduction to Agricultural Economics, 5th edPenson, Capps, Rosson, and Woodward
© 2010 Pearson Higher Education,Upper Saddle River, NJ 07458. • All Rights
Reserved.
Page 228
Autonomous orfixed consumption
Autonomous orfixed consumption
Planned Consumption FunctionPlanned Consumption Function
The slope of theconsumption functionis the marginal propensityto consume (MPC), or C÷YD where YD represents disposable income.
The slope of theconsumption functionis the marginal propensityto consume (MPC), or C÷YD where YD represents disposable income.
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Introduction to Agricultural Economics, 5th edPenson, Capps, Rosson, and Woodward
© 2010 Pearson Higher Education,Upper Saddle River, NJ 07458. • All Rights
Reserved.
Page 228
Planned Consumption FunctionPlanned Consumption Function
The consumption functionin this graph can beexpressed graphically asshown below.
The consumption functionin this graph can beexpressed graphically asshown below.
C = AC + MPC(DPI)C = AC + MPC(DPI)
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Introduction to Agricultural Economics, 5th edPenson, Capps, Rosson, and Woodward
© 2010 Pearson Higher Education,Upper Saddle River, NJ 07458. • All Rights
Reserved.
Page 228
Consumer expenditureswould be $3,600 ifdisposable income wasequal to $3,000.
Consumers would bedis-saving by $600.
Consumer expenditureswould be $3,600 ifdisposable income wasequal to $3,000.
Consumers would bedis-saving by $600.
Planned Consumption FunctionPlanned Consumption Function
C = $1,500 + .70($3,000) = $3,600C = $1,500 + .70($3,000) = $3,600
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Introduction to Agricultural Economics, 5th edPenson, Capps, Rosson, and Woodward
© 2010 Pearson Higher Education,Upper Saddle River, NJ 07458. • All Rights
Reserved.
Page 228
An increase in dis-posable income to$4,000 would raiseexpenditures to$4,300.
Dis-saving wouldfall to $300.
An increase in dis-posable income to$4,000 would raiseexpenditures to$4,300.
Dis-saving wouldfall to $300.
Planned Consumption FunctionPlanned Consumption Function
C = $1,500 + .70($4,000) = $4,300C = $1,500 + .70($4,000) = $4,300
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Introduction to Agricultural Economics, 5th edPenson, Capps, Rosson, and Woodward
© 2010 Pearson Higher Education,Upper Saddle River, NJ 07458. • All Rights
Reserved.
Page 228
An increase in disposable income to$5,000 would raiseexpenditures to$5,000.
Dis-saving wouldfall to zero.
An increase in disposable income to$5,000 would raiseexpenditures to$5,000.
Dis-saving wouldfall to zero.
Planned Consumption FunctionPlanned Consumption Function
C = $1,500 + .70($5,000) = $5,000C = $1,500 + .70($5,000) = $5,000
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Introduction to Agricultural Economics, 5th edPenson, Capps, Rosson, and Woodward
© 2010 Pearson Higher Education,Upper Saddle River, NJ 07458. • All Rights
Reserved.
Savings vs. ConsumptionWe said that the slope of the consumption functionwas the marginal propensity to consume, or:
MPC = C ÷ DPI
Savings is defined as
S = DPI – C
And, therefore, the marginal propensity to save is
MPS = 1.0 – MPC
Page 228 and 230
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Introduction to Agricultural Economics, 5th edPenson, Capps, Rosson, and Woodward
© 2010 Pearson Higher Education,Upper Saddle River, NJ 07458. • All Rights
Reserved.
When the savings rate rises significantly, a recession is often near.
When the savings rate rises significantly, a recession is often near.
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Introduction to Agricultural Economics, 5th edPenson, Capps, Rosson, and Woodward
© 2010 Pearson Higher Education,Upper Saddle River, NJ 07458. • All Rights
Reserved.
Page 228
A role for fiscalpolicy here:
A cut in the tax rate increases consump-tion.
An increase in thetax rate decreasesconsumption.
A role for fiscalpolicy here:
A cut in the tax rate increases consump-tion.
An increase in thetax rate decreasesconsumption.
Planned Consumption FunctionPlanned Consumption Function
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Introduction to Agricultural Economics, 5th edPenson, Capps, Rosson, and Woodward
© 2010 Pearson Higher Education,Upper Saddle River, NJ 07458. • All Rights
Reserved.
Page 228
A role for fiscalpolicy here:
A cut in the tax rate increases consump-tion.
An increase in thetax rate decreasesconsumption.
A role for fiscalpolicy here:
A cut in the tax rate increases consump-tion.
An increase in thetax rate decreasesconsumption.
Planned Consumption FunctionPlanned Consumption Function
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Introduction to Agricultural Economics, 5th edPenson, Capps, Rosson, and Woodward
© 2010 Pearson Higher Education,Upper Saddle River, NJ 07458. • All Rights
Reserved.
Page 230
Real Wealth EffectReal Wealth Effect
Suppose stock marketprices rose, increasingreal wealth of consumersby $700.
Suppose stock marketprices rose, increasingreal wealth of consumersby $700.
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Introduction to Agricultural Economics, 5th edPenson, Capps, Rosson, and Woodward
© 2010 Pearson Higher Education,Upper Saddle River, NJ 07458. • All Rights
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Page 230
Real Wealth EffectReal Wealth Effect
This would increasethe intercept by $700,
This would increasethe intercept by $700,
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Introduction to Agricultural Economics, 5th edPenson, Capps, Rosson, and Woodward
© 2010 Pearson Higher Education,Upper Saddle River, NJ 07458. • All Rights
Reserved.
Page 230
Real Wealth EffectReal Wealth Effect
C = $2,200 + .70($4,000) = $5,000C = $2,200 + .70($4,000) = $5,000
This shifts the curve upward for given income level, boosts consumer spending to $5,000. This raisesdis-saving to $1,000, raises debt relative to income, and can be inflationary…..
This shifts the curve upward for given income level, boosts consumer spending to $5,000. This raisesdis-saving to $1,000, raises debt relative to income, and can be inflationary…..
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Introduction to Agricultural Economics, 5th edPenson, Capps, Rosson, and Woodward
© 2010 Pearson Higher Education,Upper Saddle River, NJ 07458. • All Rights
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Page 233
Planned Investment FunctionPlanned Investment Function
Level of autonomousinvestment spending
Level of autonomousinvestment spending
I = AI – MEI(i)I = AI – MEI(i)
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Introduction to Agricultural Economics, 5th edPenson, Capps, Rosson, and Woodward
© 2010 Pearson Higher Education,Upper Saddle River, NJ 07458. • All Rights
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Page 233
Planned Investment FunctionPlanned Investment Function
The slope of the investmentfunction is the marginalefficiency of investment, or:MEI = I÷i
The slope of the investmentfunction is the marginalefficiency of investment, or:MEI = I÷i
I = AI – MEI(i)I = AI – MEI(i)
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Introduction to Agricultural Economics, 5th edPenson, Capps, Rosson, and Woodward
© 2010 Pearson Higher Education,Upper Saddle River, NJ 07458. • All Rights
Reserved.
Page 233
Planned Investment FunctionPlanned Investment Function
Level of investmentexpenditures wouldbe $250 at an interestrate of 9 percent if MEI = 25.
Level of investmentexpenditures wouldbe $250 at an interestrate of 9 percent if MEI = 25.
I = $475 – 25(9.0)I = $475 – 25(9.0)
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Introduction to Agricultural Economics, 5th edPenson, Capps, Rosson, and Woodward
© 2010 Pearson Higher Education,Upper Saddle River, NJ 07458. • All Rights
Reserved.
Page 233
Planned Investment FunctionPlanned Investment Function
Should interest rates fall to 7%as a result of events in themoney market, investmentexpenditures would increasefrom $250 to $300.
Should interest rates fall to 7%as a result of events in themoney market, investmentexpenditures would increasefrom $250 to $300.
I = $475 – 25(7.0)I = $475 – 25(7.0)
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Introduction to Agricultural Economics, 5th edPenson, Capps, Rosson, and Woodward
© 2010 Pearson Higher Education,Upper Saddle River, NJ 07458. • All Rights
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Page 233
Effects of Profit ExpectationsEffects of Profit Expectations
I = $525 – 25(7.0)I = $525 – 25(7.0)
An increase in profitexpectations wouldcause businesses toexpand their plannedinvestment expendituresby $50 at the same interest rate
An increase in profitexpectations wouldcause businesses toexpand their plannedinvestment expendituresby $50 at the same interest rate
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Introduction to Agricultural Economics, 5th edPenson, Capps, Rosson, and Woodward
© 2010 Pearson Higher Education,Upper Saddle River, NJ 07458. • All Rights
Reserved.
Understanding Product Market
Equilibrium
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Introduction to Agricultural Economics, 5th edPenson, Capps, Rosson, and Woodward
© 2010 Pearson Higher Education,Upper Saddle River, NJ 07458. • All Rights
Reserved.
Aggregate ExpendituresConsumption expenditures function:C = $1,500+0.70(DPI)
Page 235
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Introduction to Agricultural Economics, 5th edPenson, Capps, Rosson, and Woodward
© 2010 Pearson Higher Education,Upper Saddle River, NJ 07458. • All Rights
Reserved.
Aggregate ExpendituresConsumption expenditures function:C = $1,500+0.70(DPI)
Investment expenditures function:I = $475 –25(i)
Page 235
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Introduction to Agricultural Economics, 5th edPenson, Capps, Rosson, and Woodward
© 2010 Pearson Higher Education,Upper Saddle River, NJ 07458. • All Rights
Reserved.
Aggregate ExpendituresConsumption expenditures function:C = $1,500+0.70(DPI)
Investment expenditures function:I = $475 –25(i)
Government expenditures function:G = $880
Page 235
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Introduction to Agricultural Economics, 5th edPenson, Capps, Rosson, and Woodward
© 2010 Pearson Higher Education,Upper Saddle River, NJ 07458. • All Rights
Reserved.
Aggregate ExpendituresConsumption expenditures function:C = $1,500+0.70(DPI)
Investment expenditures function:I = $475 –25(i)
Government expenditures function:G = $880
If the interest rate (i) is equal to 7%, thenAE = $1,500 + 0.70(DPI) + $475 – 25(7) +$880 = $2,680 + 0.70(DPI)
Page 235
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Introduction to Agricultural Economics, 5th edPenson, Capps, Rosson, and Woodward
© 2010 Pearson Higher Education,Upper Saddle River, NJ 07458. • All Rights
Reserved.
Aggregate ExpendituresAggregate expenditures equation:AE = $2,680+0.70(NI-Tax)
Page 235
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Introduction to Agricultural Economics, 5th edPenson, Capps, Rosson, and Woodward
© 2010 Pearson Higher Education,Upper Saddle River, NJ 07458. • All Rights
Reserved.
Aggregate ExpendituresAggregate expenditures equation:AE = $2,680+0.70(NI-Tax)
where national output equals national income (NI) andTax is based upon last year’s income (Tax = $400).
Page 235
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Introduction to Agricultural Economics, 5th edPenson, Capps, Rosson, and Woodward
© 2010 Pearson Higher Education,Upper Saddle River, NJ 07458. • All Rights
Reserved.
Aggregate ExpendituresAggregate expenditures equation:AE = $2,680+0.70(NI-Tax)
where national output equals national income (NI) andTax is based upon last year’s income (Tax = $400).
If national income is $6,000, thenAE = $2,680+0.70($6,000 - $400) = $6,600which represents the first line in Table 12.4
Page 235
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Introduction to Agricultural Economics, 5th edPenson, Capps, Rosson, and Woodward
© 2010 Pearson Higher Education,Upper Saddle River, NJ 07458. • All Rights
Reserved.
Aggregate ExpendituresAggregate expenditures equation:AE = $2,680+0.70(NI-Tax)
where national output equals national income (NI) andTax is based upon last year’s income (Tax = $400).
If national income is $6,000, thenAE = $2,680+0.70($6,000 - $400) = $6,600which represents the first line in Table 12.4
Repeating this for other levels of income gives us the graph on page 235
Page 236
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Introduction to Agricultural Economics, 5th edPenson, Capps, Rosson, and Woodward
© 2010 Pearson Higher Education,Upper Saddle River, NJ 07458. • All Rights
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Page 236
Total autonomousdomestic spending…
Total autonomousdomestic spending…
Aggregate Expenditures CurveAggregate Expenditures Curve
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Introduction to Agricultural Economics, 5th edPenson, Capps, Rosson, and Woodward
© 2010 Pearson Higher Education,Upper Saddle River, NJ 07458. • All Rights
Reserved.
Page 236
Point where spendingequals output…
Point where spendingequals output…
Aggregate Expenditures CurveAggregate Expenditures Curve
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Introduction to Agricultural Economics, 5th edPenson, Capps, Rosson, and Woodward
© 2010 Pearson Higher Education,Upper Saddle River, NJ 07458. • All Rights
Reserved.
Page 237
Deriving Aggregate Demand CurveDeriving Aggregate Demand Curve
Demand equals supplyDemand equals supply Corresponding price levelCorresponding price level
Aggregatedemand curve
Aggregatedemand curve
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Introduction to Agricultural Economics, 5th edPenson, Capps, Rosson, and Woodward
© 2010 Pearson Higher Education,Upper Saddle River, NJ 07458. • All Rights
Reserved.
Page 238
Aggregate Supply CurveAggregate Supply Curve
Three distinct rangesof aggregate supplycurve
Three distinct rangesof aggregate supplycurve
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Introduction to Agricultural Economics, 5th edPenson, Capps, Rosson, and Woodward
© 2010 Pearson Higher Education,Upper Saddle River, NJ 07458. • All Rights
Reserved.
Page 238
Aggregate Supply CurveAggregate Supply Curve
Maximum potentialoutput in the shortrun…
Maximum potentialoutput in the shortrun…
End of depressionor Keynesian range
End of depressionor Keynesian range
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Introduction to Agricultural Economics, 5th edPenson, Capps, Rosson, and Woodward
© 2010 Pearson Higher Education,Upper Saddle River, NJ 07458. • All Rights
Reserved.
Page 238
YFE represents full employment outputYE represents current or actual outputYPOT represents potential or maximum output
YFE represents full employment outputYE represents current or actual outputYPOT represents potential or maximum output
Product Market EquilibriumProduct Market Equilibrium
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Introduction to Agricultural Economics, 5th edPenson, Capps, Rosson, and Woodward
© 2010 Pearson Higher Education,Upper Saddle River, NJ 07458. • All Rights
Reserved.
Page 238
Product Market EquilibriumProduct Market Equilibrium
Planned spending exceedsfull employment output,causing higher inflationarypressures in economy.
Planned spending exceedsfull employment output,causing higher inflationarypressures in economy.
Planned spending less thanfull employment output,causing underutilization ofeconomy’s resources.
Planned spending less thanfull employment output,causing underutilization ofeconomy’s resources.
YE > YFEYE > YFE YFE > YE
YFE > YE
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Introduction to Agricultural Economics, 5th edPenson, Capps, Rosson, and Woodward
© 2010 Pearson Higher Education,Upper Saddle River, NJ 07458. • All Rights
Reserved.
SummaryGDP consists of C, I, G and (X-M) Focus is on new goods produced and services
performed in the current yearConsumption influenced by disposable income
and wealthInvestment influenced by interest rates and
profit expectationsProduct market equilibrium occurs where
aggregate demand equals aggregate supplyInflationary and recessionary gaps occur when
economy not at full employment output
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Introduction to Agricultural Economics, 5th edPenson, Capps, Rosson, and Woodward
© 2010 Pearson Higher Education,Upper Saddle River, NJ 07458. • All Rights
Reserved.
Chapter 13 focuses on the application of monetary and fiscal policy….