Macroeconomics 6th Edition by Robert Hall,Marc Lieberman

تمرين 1

a. What is the marginal propensity to consume implicit in these data?
b. Plot a 45° line, and then use the data to draw an aggregate expenditure line.
c. What is the equilibrium level of real GDP? Illustrate it on your diagram.
d. Suppose that investment spending increased by 250 at each level of income. What would happen to equilibrium GDP?