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If MPC is 0.75 how much increase in investment is required to increase the income by ₹600 crore? - Economics

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Question

If MPC is 0.75 how much increase in investment is required to increase the income by ₹600 crore?

Numerical
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Solution

MPC = 0.75

Desired increase in income (ΔY) = ₹ 600 crore

k = `1/(1-"MPC")`

= `1/(1-0.75)`

= `1/0.25`

= 4

ΔY = k × ΔI 

ΔI = `(ΔY)/k`

= `600/4`

= ₹ 150 crore

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Chapter 12: Theory of Income and Employment - NUMERICAL QUESTIONS [Page 233]

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Frank Economics [English] Class 12 ISC
Chapter 12 Theory of Income and Employment
NUMERICAL QUESTIONS | Q 9. | Page 233
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