Economics:
10th Edition
ISBN:9781285859460
Author:BOYES, William
Publisher:BOYES, William
Chapter14: Macroeconomic Policy: Tradeoffs, Expectations, Credibility, And Sources Of Business Cycles
Section: Chapter Questions
Problem 11E
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The following parameters describe the structure of a hypothetical economy:

Autonomous consumption=240

Autonomous investment=1000

Autonomous taxes=100

Autonomous government expenditure=400

Real money supply (M/P)=600

Tax rate=0.25

Marginal propensity to consume=0.8

Interest elasticity of investment=50

Interest elasticity of demand for money=62.5

Income elasticity of demand for money=0.25

a) Determine and explain the relative effectiveness of fiscal and

monetary policies and

State the values of the fiscal and monetary policy multipliers if the economy is in a

liquidity trap. Explain.

b) Use your answer in part a) above to determine equilibrium income and interest rate.

c)

If government expenditure is increased by 150 units, show how equilibrium interest

rate and equilibrium income will change. Can you determine the extent to which

investment is crowded out as a result? Explain.

 

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