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प्रश्न
Suppose C = 40 + 0.8Y D. T = 50, I = 60, G = 40, X = 90, M = 50 + 0.05Y. What happens to equilibrium income and the net export balance when the government purchases increase from 40 to 50?
पर्याय
12
10
22
65
MCQ
उत्तर
10
Explanation:
When G increases from 40 to 50
Equilibrium income (Y) = `("C" - "cT" + "I" + "G" + "X" - "M")/(1 - "C" + "m")`
= `(40 + 0.8 + 50 + 60 + 50 + 90)/(1 − 0.8 + 0.05)`
= `(40 - 40 + 60 + 50 + 90)/0.25`
= `150/0.25 = 150/25 xx 100`
Net export balance at equilibrium income
NX = X − (M − mY)
= 90 - 50 + 0.05 × 600
= 40 − 30
= 10
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