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An Economy is in Equilibrium. Find Investment Expenditure

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Question

An economy is in equilibrium. Find investment expenditure :

National income =1200

Autonomous consumption expenditure=150

Marginal Propensity to consume =0.8

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Solution

Given that

Y= Rs1,200

 `barC=Rs150`

 c=0.8

As we know that

Y= C + I

`1200=barC+cY+I`

1,200= 150+0.8x1,200+I

1,200=1,110+I

I=Rs90

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2015-2016 (March) All India Set 2
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