Answer to Question #51416 in Macroeconomics for William Waso Wasonga Omole
Y= C0 +Io+Go+X0-M, M=mo+m1yd,C=co+c1yd, T=tY and Yd=Y-T
a. Show that equal change in tax and government expenditure are expansionary to the economy
b. Derive the equilibrium level of savings in the economy above
c. Derive the investment multiplier
b. In the equilibrium savings are equal to investment, so in our case the equilibrium level of savings is S = Io.
c. Investment multiplier is simply the multiplier effect of an injection of investment into an economy.
The investment multiplier in our case will be mi = 1/(1 - c) = 1/(1 - c1).
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