14) Suppose the economy has no income taxes or imports. How is the size of the
expenditure multiplier related to the marginal propensity to consume? What is the
multiplier if the MPC equals 0.25? If the MPC equals 0.50? If the MPC equals 0.90?
Skill: Level 3: Using models
Section: Checkpoint 14.3
Status: Old
AACSB: Analytical thinking
15) If an economy experiences a $0.8 trillion increase in investment resulting in an
increase in real GDP from $10 trillion to $12 trillion,
a. what is the change in equilibrium expenditure?
b. what is the change in autonomous expenditure?
c. what is the multiplier?
d. how would an increase in the marginal tax rate efect the multiplier?
Skill: Level 2: Using deinitions
Section: Checkpoint 14.3
Status: Old
AACSB: Analytical thinking
111