经济学原理习题15-1

15-1

1. The source of the supply of loanable funds

a. i s saving and the source of demand for loanable funds is investment.

b. i s investment and the source of demand for loanable funds is saving.

c. a nd the demand for loanable funds is saving.

d. a nd the demand for loanable funds is investment.

2. Other things the same, an increase in the interest rate

a. w ould shift the demand for loanable funds to the right.

b. w ould shift the demand for loanable funds to the left.

c. w ould increase the quantity of loanable funds demande

d.

d. w ould decrease the quantity of loanable funds demanded.

3. If there is a surplus of loanable funds, then

a . the quantity of loanable funds demanded is greater than the quantity of loanable funds supplied and the interest rate is above equilibrium.

b . the quantity of loanable funds demanded is greater than the quantity of loanable funds supplied and the interest rate is below equilibrium.

c . the quantity of loanable funds supplie

d is greater than th

e quantity o

f loanable funds demanded and the interest rate is above equilibrium.

d . th

e quantity o

f loanable funds supplied is greater than the quantity of loanable funds demanded and the interest rate is below equilibrium.

4. If the demand for loanable funds shifts to the right, then the equilibrium interest rate a. a nd quantity of loanable funds rises.

b. a nd quantity of loanable funds falls.

c. r ises and the quantity of loanable funds falls.

d. f alls and the quantity of loanable funds rises.

5. If the supply for loanable funds shifts to the left, then the equilibrium interest rate a. a nd quantity of loanable funds rises.

b. a nd quantity of loanable funds falls.

c. r ises and the quantity of loanable funds falls.

d. f alls and the quantity of loanable funds rises.

6. If the nominal interest rate is 7 percent and the rate of inflation is 3 percent, then the real interest rate is

a. 7 percent.

b. 4 percent.

c. 3 percent.

d. 10 percent.

7. Suppose the U.S. offered a tax credit for firms that built new factories in the U.S. Then

a. t he demand for loanable funds would shift rightward, initially creating a surplus

of loanable funds at the original interest rate.

b. t he demand for loanable funds would shift rightward, initially creating a shortage

of loanable funds at the original interest rate.

c. t he supply of loanable funds would shift rightward, initially creating a surplus

of loanable funds at the original interest rate.

d. t he supply of loanable funds would shift rightward, initially creating a shortage

of loanable funds at the original interest rate.

8. When the government budget deficit rises, national saving is reduced, interest rates rise, and investment falls.

a. T rue

b. F alse

9. An increase in the demand for loanable funds increases the equilibrium interest rate and decreases the equilibrium level of saving.

a. T rue

b. F alse

10. A decrease in taxes on interest income would increase the interest rate.

a. T rue

b. F alse

11. In a closed economy taxes are $750 billion, government transfers are $400 billion, government expenditures are $500 billion, and investment is $400 billion. What are private saving, public saving and national saving?

Answers to 15-1

1.a

2.d

3.c

4.a

5.c

6.b

7.b

8.a

9.b 10.b

11 Private saving is $550 billion, public saving is -$150 billion, and national saving is $400 billion.