Question
Consider a closed economy described by the following equations: Y = C + I + G C = 100 + 0.75(Y - T) I =
Consider a closed economy described by the following equations:
Y = C + I + G
C = 100 + 0.75(Y - T)
I = 500 - 50 r
G = 125
T = 100;
Y is GDP, C is consumption, I is investment, G is government expenditures, T is taxes, and r is the interest rate. If the economy were at full employment, GDP would be 2000?
Explain the meaning of each of these equations. What is the marginal propensity to consume in this economy?
Suppose the central bank's policy is to adjust the money supply to maintain the interest rate at 4 percent, so r = 4. Solve for GDP. How does it compare to the full employment level?
Assuming no change in monetary policy, what change in government purchases would restore full employment? Use the fiscal policy multiplier to determine the level of G.
Assuming no change in fiscal policy, what change in the interest rate would restore full employment level of output of 2000?
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