Given the following: C(YT) = 200 +0.75(Y-T) I(r) = 80 - 20r L(r,Y) = Y − 90r G = 200 T = 75 M = 2500 P = 4 a) What is the exact expression for the IS curve (express Y in terms of r)? b) What is the exact expression for the LM curve (express Y in terms of r)? c) What is the equilibrium output level Y*?

ENGR.ECONOMIC ANALYSIS
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Chapter1: Making Economics Decisions
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Given the following:
C(YT) = 200 +0.75(YT)
I(r) = 80-20r
L(r,Y)=Y90r
G = 200
T = 75
M = 2500
P = 4
a) What is the exact expression for the IS curve (express Y in terms of r)?
b) What is the exact expression for the LM curve (express Y in terms of r)?
c) What is the equilibrium output level Y*?
d) What is the equilibrium interest rate r*?
Transcribed Image Text:Given the following: C(YT) = 200 +0.75(YT) I(r) = 80-20r L(r,Y)=Y90r G = 200 T = 75 M = 2500 P = 4 a) What is the exact expression for the IS curve (express Y in terms of r)? b) What is the exact expression for the LM curve (express Y in terms of r)? c) What is the equilibrium output level Y*? d) What is the equilibrium interest rate r*?
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