Consider an economy described by the following data (in $ trillion): Č- 3.25; I- 1.3; G= 3.5: T-3.0; NX= -1.00; i = 1; mpc= .75: a= 0.3: 6=0.1 a. Drive a simplified expressions for the consumption function, the investment function, and the net export function. a. Drive the expression for the IS curve. b. If the real interest rate is r=2, what is the equilibrium output? If r= 5, what the equilibrium output?

ENGR.ECONOMIC ANALYSIS
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Chapter1: Making Economics Decisions
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1. Consider an economy described by the following data (in $ trillion):
Č- 3.25; i- 1.3 ; G= 3.5: T-3.0; NX = -1.00; 7 = 1; mpc= 75;
a= 0.3; 6=0.1
a. Drive a simplified expressions for the consumption function, the
investment function, and the net export function.
a. Drive the expression for the IS curve.
b. If the real interest rate is r=2, what is the equilibrium output? If r= 5,
what the equilibrium output?
c. Draw the graph of the IS curve showing the answers from part (c)
above.
d. If government purchases increase to $4.2 trillion, what will happen to
equilibrium output at r=27 What will happen to equilibrium output at
r 5? Show the effect of the increase in government purchases in your
graph from (d).
Transcribed Image Text:1. Consider an economy described by the following data (in $ trillion): Č- 3.25; i- 1.3 ; G= 3.5: T-3.0; NX = -1.00; 7 = 1; mpc= 75; a= 0.3; 6=0.1 a. Drive a simplified expressions for the consumption function, the investment function, and the net export function. a. Drive the expression for the IS curve. b. If the real interest rate is r=2, what is the equilibrium output? If r= 5, what the equilibrium output? c. Draw the graph of the IS curve showing the answers from part (c) above. d. If government purchases increase to $4.2 trillion, what will happen to equilibrium output at r=27 What will happen to equilibrium output at r 5? Show the effect of the increase in government purchases in your graph from (d).
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