Question : 71) Consider the following aggregate expenditure function: AE = $300 : 1384371

 

71) Consider the following aggregate expenditure function: AE = $300 billion + (0.87)Y. Assuming that we have no government, no international trade and desired investment is autonomous and is equal to $56 billion, then which of the following is the correct statement of the consumption function?

A) C = $356 billion + (0.87)Y

B) C = $356 billion + (0.13)Y

C) C = $244 billion + (0.87)Y

D) C = $244 billion + (0.13)Y

E) C = $300 billion + (0.13)Y

72) Refer to Figure 21-3. All points along the 45-degree line represent

A) combinations of desired aggregate expenditure and actual national income where consumption expenditure equals saving.

B) the equilibrium condition that desired aggregate expenditure equals actual national income.

C) levels of actual national income where desired AE is equal to the sum of desired consumption and desired investment.

D) levels of actual national income that occur when autonomous expenditure is increasing at a constant (linear) rate.

E) levels of actual national income where desired saving is equal to zero.

73) Refer to Figure 21-3. Consider the simplest macro model with no government and no foreign trade, and the aggregate expenditure function AE = C + I. If there was zero autonomous expenditure and the marginal propensity to consume was equal to one, then the AE function would be

A) steeper than the 45-degree line.

B) above the 45-degree line at all points.

C) below the 45-degree line at all points.

D) coincident with the 45-degree line.

E) flatter than the 45-degree line.

74) Consider the simplest macro model with demand-determined output, where

A) firms will see an increase in inventories, and they will respond by decreasing output, thereby decreasing actual national income.

B) firms will decrease autonomous investment by $20 billion until equilibrium national income is reached at $900 billion.

C) firms will increase autonomous investment by $20 billion until equilibrium national income is reached at $920 billion.

D) firms will see a decrease in inventories, and they will respond by increasing output, thereby increasing actual national income.

E) actual national income will decrease until equilibrium national income is reached at $900 billion.

75) Consider the simplest macro model with demand-determined output, where

A) firms will see a decrease in inventories, and they will respond by increasing output, thereby increasing actual national income.

B) firms will decrease autonomous investment by $10 billion until equilibrium national income is reached at $890 billion.

C) firms will increase autonomous investment by $10 billion until equilibrium national income is reached at $900 billion.

D) actual national income will increase until equilibrium national income is reached at $900 billion.

E) firms will see an increase in inventories, and they will respond by decreasing output, thereby decreasing actual national income.

76) Refer to Table 21-3. The equilibrium level of national income will be

A) $3000.

B) $3600.

C) $3900.

D) $4000.

E) $4400.

77) Refer to Table 21-3. At the equilibrium level of national income, desired consumption expenditure will be

A) $300.

B) $400.

C) $3900.

D) $3600.

E) $4000.

78) Refer to Table 21-3. At the equilibrium level of national income, desired investment is

A) $100.

B) $4000.

C) $3900.

D) $400.

E) $1000.

79) Refer to Table 21-3. At the equilibrium level of national income, desired saving is

A) $100.

B) $300.

C) $4000.

D) $3900.

E) $1000.

80) Refer to Table 21-3. Suppose this economy is in equilibrium. There is then a significant decline in house prices across the country. The likely effect is

A) autonomous consumption will rise above $300 and equilibrium national income will therefore rise.

B) autonomous saving will fall and equilibrium national income will therefore fall.

C) autonomous saving will rise and equilibrium national income will therefore rise.

D) autonomous investment will rise and equilibrium national income will therefore rise.

E) autonomous consumption will fall below $300 and equilibrium national income will therefore fall.

 

 

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