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Today ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Demand Management ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Demand Management ,[object Object],[object Object],[object Object],[object Object]
Today ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
AD, Domestic Product, and National Income ,[object Object],[object Object],[object Object],[object Object],AD = C Consumer  Expenditure +  I Investment +  G Government Purchases +  NX Net Exports
AD, Domestic Product, and National Income ,[object Object],[object Object],[object Object],[object Object]
AD, Domestic Product, and National Income ,[object Object],[object Object],[object Object],[object Object],[object Object]
BUT WAIT!!! ,[object Object],[object Object],[object Object],[object Object]
Today ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
FIGURE  24-1   The Circular Flow of Expenditures and Income 1 3 6 5 4 2 Investors Government Consumers Financial System Saving ( S ) Consumption (C) Investment (I) C  +  I Government C  +  I  +  G Imports ( IM ) Exports ( X ) C  +  I  +  G  + Transfers Disposable Income ( DI ) Taxes ( X  –  IM )  Purchases ( G ) Firms (produce the domestic product) Rest of the World Gross National Income ( Y )
Circular Flow of Spending, Production, and Income ,[object Object],[object Object],[object Object]
AD, Domestic Product, and National Income ,[object Object],[object Object],[object Object],[object Object],[object Object]
FIGURE  24-1   The Circular Flow of Expenditures and Income 1 3 6 5 4 2 Investors Government Consumers Financial System Saving ( S ) Consumption (C) Investment (I) C  +  I Government C  +  I  +  G Imports ( IM ) Exports ( X ) C  +  I  +  G  + Transfers Disposable Income ( DI ) Taxes ( X  –  IM )  Purchases ( G ) Firms (produce the domestic product) Rest of the World Gross National Income ( Y )
National Income vs. Disposable Income ,[object Object],[object Object],[object Object],DI =  GDP - Taxes + Transfer Payments = GDP – (Taxes – Transfers) = Y - T
AD, Domestic Product, and National Income ,[object Object],[object Object],[object Object]
Some Questions To Think About: ,[object Object],[object Object]
Some Questions To Think About ,[object Object],[object Object]
Today ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Consumption ,[object Object],[object Object],[object Object],[object Object],[object Object]
100 5,151 Total Consumption 865 Other 816 Medical Care 205 Transportation 310 Household operation 779 Housing 58 2,974 Services 375 Other 133 Energy 264 Clothing & Apparel 772 Food 30 1,545 Nondurable Goods 125 Other 254 Household Equipment 253 Motor Vehicles 12 632 Durable Goods Percent of total Value of category (1996, $, billion) Category of Consumption
Evolution of Consumption in the 20 th  Century ,[object Object],[object Object],[object Object],[object Object],[object Object]
Evolution of Consumption in the 20 th  Century ,[object Object],[object Object],[object Object]
Consumption, Income, and Saving ,[object Object],[object Object],4.9% Memo:  Saving as percent of personal DI 272 Equals:  Personal Saving 5,314 Less: Personal outlays (consumption +interest) 5,586 Equals:  Personal Disposable Income 864 Less:  Personal tax and nontax payments 6,450 Personal Income Amount, 1996 ($, billion) Item
Consumption, Saving, and Income 28,360 +1,640 30,000 27,830 +1,170 29,000 27,240 +760 28,000 26,600 +400 27,000 25,850 +150 26,000 25,000 0 25,000 24,110 -110 24,000 (3) Consumption ($) (2)  Net saving (+) or dissaving (-)  ($) (1) Disposable Income  ($)
FIGURE  24-2   Consumer Spending and Disposable Income Copyright © 2003 South-Western/Thomson Learning. All rights reserved. Real consumer spending  Real disposable income  Billions of 1996 Dollars  2000  1990  1980  1970  1960  1950  1940  1930  0  500  1,000  1,500  2,000  2,500  3,000  3,500  4,500  4,000  $6,500  6,000  5,500  5,000  World  War II  The Great  Depression
 
Consumption, Saving, and Income ,[object Object],[object Object],[object Object],[object Object]
Today ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Consumption, Saving, and Income ,[object Object],[object Object],[object Object]
Consumer Spending and Income ,[object Object]
FIGURE  24-3   Consumer Spending and Disposable Income Copyright © 2003 South-Western/Thomson Learning. All rights reserved. $3,244  $5,677  $5,237  $2,869  Real Consumer Spending  0  Real Disposable Income  2001  2000  1999  1998  1997  1995  1976  1996  1994  1992  1990  1991  1989  1988  1987  1986  1985  1980  1984  1979  1978  1974  1970  1964  1960  1955  1945  1943  1942  1947  1941  1939  1929
Consumer Spending and Income ,[object Object],[object Object]
FIGURE  24-4   Consumer Spending and Disposable Income Copyright © 2003 South-Western/Thomson Learning. All rights reserved. 1900  1700  1500  1360  1300  1180  1100  900  1900  1700  1500  1300  1100  900  Real Disposable Income  Real Consumer Spending  0  B  A  $200  billion  $180 billion  1947  1963
Consumer Spending and Income ,[object Object]
Consumer Spending and Income ,[object Object],[object Object]
The Consumption Function and the MPC ,[object Object],[object Object],[object Object],[object Object]
FIGURE  24-5   A Consumption Function Copyright © 2003 South-Western/Thomson Learning. All rights reserved. 5,200  4,800  4,400  4,000  3,600  3,200  0  2,700  3,000  3,300  3,600  3,900  $4,200  C  $400  $300  Real Disposable Income,  DI
TABLE  24-1   Consumption and Income in Hypothetical Economy Copyright © 2003 South-Western/Thomson Learning. All rights reserved.
A Consumption Function ,[object Object],[object Object]
A  Consumption Function Derived from the Equation  C  = 100 + .75 Y ,[object Object],[object Object]
A Consumption Function Derived from the Equation  C  = 100 + .75 Y 850 1,000 700 800 550 600 400 400 250 200 175 100 160 80 100 0 AGGREGATE CONSUMPTION,  C (BILLIONS OF DOLLARS) AGGREGATE INCOME,  Y (BILLIONS OF DOLLARS)
Consumption and Saving ,[object Object],[object Object]
Marginal Propensity to Consume: Again MPC =  Change in Consumption _____________________________________________ Change in DI that produces the change in Consumption
An Aggregate Consumption Function Derived from the Equation  C  = 100 + .75 Y 850 1,000 700 800 550 600 400 400 250 200 175 100 160 80 100 0 AGGREGATE CONSUMPTION,  C (BILLIONS OF DOLLARS) AGGREGATE INCOME,  Y (BILLIONS OF DOLLARS)
Marginal Propensity to Consume MPC =  Change in Consumption _____________________________________________ Change in DI that produces the change in Consumption MPC =  $75 _____ $100 = 0.75
Marginal Propensity to Consume ,[object Object],[object Object],[object Object]
.80 .85 .90 .95 1.0 Canada United States Netherlands United Kingdom Germany Italy Japan France GLOBAL  PERSPECTIVE Average Propensities to Consume, Selected Nations, 1999 Statistical Abstract of the United States, 2000  .986 .976 .972 .940 .907 .873 .869 .842
Today ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Shifts in the consumption function ,[object Object],[object Object],[object Object]
FIGURE  24-6   Shifts of the Consumption Function Copyright © 2003 South-Western/Thomson Learning. All rights reserved. Real Consumer Spending  Real Disposable Income  Shifts of  consumption  function  Movements along  consumption function  C 2  C 1  C 0  A
Factors That Shift the Consumption Function ,[object Object],[object Object],[object Object],[object Object],[object Object]
Shifts in the consumption function:  Wealth ,[object Object],[object Object],[object Object]
Shifts in the consumption function:  Price Level ,[object Object],[object Object],[object Object],[object Object]
Shifts in the consumption function: The real interest rate ,[object Object],[object Object],[object Object],[object Object]
Shifts in the consumption function: future expectations ,[object Object],[object Object]
A Return to our Initial Question ,[object Object],[object Object],[object Object]
TABLE  24-2   Incomes of Three Consumers Copyright © 2003 South-Western/Thomson Learning. All rights reserved.
Why The Tax Rebate Failed in 1975 and 2001 ,[object Object],[object Object],?
Today ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Investment ,[object Object],[object Object],[object Object]
Investment ,[object Object],[object Object]
Investment ,[object Object],[object Object],[object Object]
Determinants of Investment ,[object Object],[object Object],[object Object],[object Object]
Revenue as a determinant of investment ,[object Object],[object Object],[object Object]
Costs as a determinant of investment ,[object Object],[object Object],[object Object],[object Object],[object Object]
Expectations as a determinant of investment ,[object Object],[object Object],[object Object]
Today ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Net Exports ,[object Object],[object Object],[object Object],[object Object],[object Object]
Year 2000 – US Trade with China By 1-digit SITC commodity In millions of dollars  Source: US Census Bureau 1-digit SITC Commodity  Exports  Imports (0) Food and Live Animals  472.95  1,021.17  (1) Beverages and Tobacco  4.93  32.53  (2) Crude Materials, Inedible, Except Fuels  2,566.50  614.03  (3) Mineral Fuels, Lubricants and Related Materials  59.77  729.76  (4) Animal and Vegetable Oils, Fats and Waxes  20.90  7.48  (5) Chemicals and Related Products, N.E.S.  2,325.37  1,809.46  (6) Manufactured Goods Classified Chiefly by Material  1,271.89  10,286.90  (7) Machinery and Transport Equipment  8,067.82  34,946.75  (8) Miscellaneous Manufactured Articles  1,240.14  49,475.39  (9) Commodities and Transactions, N.E.S.  222.76  1,139.49  Total  16,253.03  100,062.96
National Income and Imports ,[object Object],[object Object],[object Object]
National Income and Exports ,[object Object],[object Object],[object Object],[object Object]
National Income and Net Exports ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Relative Prices and Net Exports ,[object Object],[object Object],[object Object]
Relative Prices and Net Exports ,[object Object],[object Object],[object Object],[object Object]
Relative Prices and Net Exports ,[object Object],[object Object],[object Object],[object Object]
Relative Prices and Exchange Rates ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Today ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
How Predictable is Aggregate Demand? ,[object Object],[object Object],[object Object]
How Predictable is Aggregate Demand? ,[object Object],[object Object]
How Predictable is Aggregate Demand? ,[object Object],[object Object],[object Object]
To Sum Up ,[object Object],[object Object]
To Sum Up ,[object Object],[object Object]
To Sum Up ,[object Object],[object Object],[object Object]
To Sum Up ,[object Object],[object Object]
To Sum Up ,[object Object],[object Object]
To Sum Up ,[object Object],[object Object],[object Object],[object Object]
To Sum Up ,[object Object],[object Object],[object Object],[object Object]
To Sum Up ,[object Object],[object Object],[object Object],[object Object],[object Object]
NOW GO AWAY! ,[object Object]

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Char Lee Econ Lecture 22

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  • 9.
  • 10. FIGURE 24-1 The Circular Flow of Expenditures and Income 1 3 6 5 4 2 Investors Government Consumers Financial System Saving ( S ) Consumption (C) Investment (I) C + I Government C + I + G Imports ( IM ) Exports ( X ) C + I + G + Transfers Disposable Income ( DI ) Taxes ( X – IM ) Purchases ( G ) Firms (produce the domestic product) Rest of the World Gross National Income ( Y )
  • 11.
  • 12.
  • 13. FIGURE 24-1 The Circular Flow of Expenditures and Income 1 3 6 5 4 2 Investors Government Consumers Financial System Saving ( S ) Consumption (C) Investment (I) C + I Government C + I + G Imports ( IM ) Exports ( X ) C + I + G + Transfers Disposable Income ( DI ) Taxes ( X – IM ) Purchases ( G ) Firms (produce the domestic product) Rest of the World Gross National Income ( Y )
  • 14.
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  • 20. 100 5,151 Total Consumption 865 Other 816 Medical Care 205 Transportation 310 Household operation 779 Housing 58 2,974 Services 375 Other 133 Energy 264 Clothing & Apparel 772 Food 30 1,545 Nondurable Goods 125 Other 254 Household Equipment 253 Motor Vehicles 12 632 Durable Goods Percent of total Value of category (1996, $, billion) Category of Consumption
  • 21.
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  • 24. Consumption, Saving, and Income 28,360 +1,640 30,000 27,830 +1,170 29,000 27,240 +760 28,000 26,600 +400 27,000 25,850 +150 26,000 25,000 0 25,000 24,110 -110 24,000 (3) Consumption ($) (2) Net saving (+) or dissaving (-) ($) (1) Disposable Income ($)
  • 25. FIGURE 24-2 Consumer Spending and Disposable Income Copyright © 2003 South-Western/Thomson Learning. All rights reserved. Real consumer spending Real disposable income Billions of 1996 Dollars 2000 1990 1980 1970 1960 1950 1940 1930 0 500 1,000 1,500 2,000 2,500 3,000 3,500 4,500 4,000 $6,500 6,000 5,500 5,000 World War II The Great Depression
  • 26.  
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  • 31. FIGURE 24-3 Consumer Spending and Disposable Income Copyright © 2003 South-Western/Thomson Learning. All rights reserved. $3,244 $5,677 $5,237 $2,869 Real Consumer Spending 0 Real Disposable Income 2001 2000 1999 1998 1997 1995 1976 1996 1994 1992 1990 1991 1989 1988 1987 1986 1985 1980 1984 1979 1978 1974 1970 1964 1960 1955 1945 1943 1942 1947 1941 1939 1929
  • 32.
  • 33. FIGURE 24-4 Consumer Spending and Disposable Income Copyright © 2003 South-Western/Thomson Learning. All rights reserved. 1900 1700 1500 1360 1300 1180 1100 900 1900 1700 1500 1300 1100 900 Real Disposable Income Real Consumer Spending 0 B A $200 billion $180 billion 1947 1963
  • 34.
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  • 37. FIGURE 24-5 A Consumption Function Copyright © 2003 South-Western/Thomson Learning. All rights reserved. 5,200 4,800 4,400 4,000 3,600 3,200 0 2,700 3,000 3,300 3,600 3,900 $4,200 C $400 $300 Real Disposable Income, DI
  • 38. TABLE 24-1 Consumption and Income in Hypothetical Economy Copyright © 2003 South-Western/Thomson Learning. All rights reserved.
  • 39.
  • 40.
  • 41. A Consumption Function Derived from the Equation C = 100 + .75 Y 850 1,000 700 800 550 600 400 400 250 200 175 100 160 80 100 0 AGGREGATE CONSUMPTION, C (BILLIONS OF DOLLARS) AGGREGATE INCOME, Y (BILLIONS OF DOLLARS)
  • 42.
  • 43. Marginal Propensity to Consume: Again MPC = Change in Consumption _____________________________________________ Change in DI that produces the change in Consumption
  • 44. An Aggregate Consumption Function Derived from the Equation C = 100 + .75 Y 850 1,000 700 800 550 600 400 400 250 200 175 100 160 80 100 0 AGGREGATE CONSUMPTION, C (BILLIONS OF DOLLARS) AGGREGATE INCOME, Y (BILLIONS OF DOLLARS)
  • 45. Marginal Propensity to Consume MPC = Change in Consumption _____________________________________________ Change in DI that produces the change in Consumption MPC = $75 _____ $100 = 0.75
  • 46.
  • 47. .80 .85 .90 .95 1.0 Canada United States Netherlands United Kingdom Germany Italy Japan France GLOBAL PERSPECTIVE Average Propensities to Consume, Selected Nations, 1999 Statistical Abstract of the United States, 2000 .986 .976 .972 .940 .907 .873 .869 .842
  • 48.
  • 49.
  • 50. FIGURE 24-6 Shifts of the Consumption Function Copyright © 2003 South-Western/Thomson Learning. All rights reserved. Real Consumer Spending Real Disposable Income Shifts of consumption function Movements along consumption function C 2 C 1 C 0 A
  • 51.
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  • 57. TABLE 24-2 Incomes of Three Consumers Copyright © 2003 South-Western/Thomson Learning. All rights reserved.
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  • 69. Year 2000 – US Trade with China By 1-digit SITC commodity In millions of dollars Source: US Census Bureau 1-digit SITC Commodity Exports Imports (0) Food and Live Animals 472.95 1,021.17 (1) Beverages and Tobacco 4.93 32.53 (2) Crude Materials, Inedible, Except Fuels 2,566.50 614.03 (3) Mineral Fuels, Lubricants and Related Materials 59.77 729.76 (4) Animal and Vegetable Oils, Fats and Waxes 20.90 7.48 (5) Chemicals and Related Products, N.E.S. 2,325.37 1,809.46 (6) Manufactured Goods Classified Chiefly by Material 1,271.89 10,286.90 (7) Machinery and Transport Equipment 8,067.82 34,946.75 (8) Miscellaneous Manufactured Articles 1,240.14 49,475.39 (9) Commodities and Transactions, N.E.S. 222.76 1,139.49 Total 16,253.03 100,062.96
  • 70.
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