# Answer to Question #50386 in Macroeconomics for abdulla sabit

Question #50386

Suppose C=50+0.80Y, Y=Disposable income,Investment(I)=70,Government expenditure(G)=70,Tax(Tx)=0.10Y.

a.Find equilibrium output.

b.What are tax revenues at equilibrium output?Does the government have a balanced budget?

c.Find equilibrium output when investment increases from 70 to 90.

a.Find equilibrium output.

b.What are tax revenues at equilibrium output?Does the government have a balanced budget?

c.Find equilibrium output when investment increases from 70 to 90.

Expert's answer

We can write an equation

a.Y = Equilibrium output = C + I + G

Y = 50+0.80Y + 70 + 70

Y = 190 + 0.80Y

Y = 950

b. Tax(Tx)=0.10Y = 0.10 * 950 = 95

Tax(Tx) > Government expenditure(G), so the governmenthave budget proficit

c. Y’ = Y + (90 -70) = 950 + 20 = 970

a.Y = Equilibrium output = C + I + G

Y = 50+0.80Y + 70 + 70

Y = 190 + 0.80Y

Y = 950

b. Tax(Tx)=0.10Y = 0.10 * 950 = 95

Tax(Tx) > Government expenditure(G), so the governmenthave budget proficit

c. Y’ = Y + (90 -70) = 950 + 20 = 970

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