Question

Suppose a closed economy has an aggregate consumption function given by C = 100 +0.75Yd and generates $2500 output and income
Suppose a closed economy has an aggregate savings equal to 100 and intended investment equal to 500. 10 By how much must the
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Answer #1

(Question 1)

C = 100 + 0.75 x (Y - T) = 100 + 0.75 x (2500 - 50) = 100 + 0.75 x 2450 = 100 + 1837.5 = 1937.5

Y = C + I + G

2500 = 1937.5 + I + 500

2500 = 2437.5 + I

I = 62.5 ~ 63

(Question 2)

Y = C - T + I + G

Y - C = I - (T - G)

S = I - (T - G)

100 = 500 - (T - G)

T - G = Government budget surplus = 400

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