8810 Six Debates over Macroeconomic Policy
32. An increase in the tax rate on interest income
a. raises the amount earned on savings. Saving will rise if the income effect of the increase in the
tax rate is larger than the substitution effect.
b. raises the amount earned on savings. Saving will rise if the income effect of the increase in the
tax rate is smaller than the substitution effect.
c. reduces the amount earned on savings. Saving will fall if the income effect of the increase in
the tax rate is larger than the substitution effect.
d. reduces the amount earned on savings. Saving will fall if the income effect of the increase in
the tax rate is smaller than the substitution effect.
33. Which of the following might explain a decrease in national saving when the tax rate on savings is
reduced?
a. its income effect on saving and its effect on the government budget
b. its income effect on saving but not its effect on the government budget
c. its effect on the government budget but not its income effect on saving
d. neither its income effect on saving nor its effect on the government budget
34. A year ago a country reduced the tax rate on all interest income from 20% to 10%. During the
year private saving was $500 billion as compared to $400 billion the year before the tax reform.
Taxes on interest income fell by $10 billion. Assuming no other changes in income, or government
revenues or spending, which of the following is correct?
a. the substitution effect was larger than the income effect; national saving rose
b. the substitution effect was larger than the income effect; national saving fell
c. the income effect was larger than the substitution effect; national saving rose
d. the income effect was larger than the substitution effect; national saving fell