120. There is an increase in government expenditures financed by taxes and its overall short-run
effect on output is larger than the change in government spending. Which of the following is
correct?
a. By themselves, both the change in output and the change in the interest rate increase desired
investment.
b. By themselves, both the change in output and the change in the interest rate decrease desired
investment.
c. By itself, the change in output increases desired investment spending and by itself the change
in the interest rate decreases desired investment spending.
d. By itself, the change in output decreases desired investment spending and by itself the change
in the interest rate increases desired investment spending.
121. The government increases both its expenditures and taxes by $400 billion. There is no crowding
out and no accelerator effect. Aggregate demand shifts by $400 billion. Which of the following is
consistent with how far aggregate demand shifts?
a. MPC = 1/2, and the effects of the increase in taxes is 1/2 as strong as the change in
government expenditures.
b. MPC = 2/3, and the effects of the increase in taxes is 2/3 as strong as the change in
government expenditures
c. MPC = 3/4, and the effects of the increase in taxes is 3/4 as strong as the change in
government expenditures
d. All of the above are correct.