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Question

If MPS = 0.30, Autonomous Consumption = Rs 50 crores and Investment = Rs. 100 crores, then Equilibrium Income will be:

A
Rs. 500 crore
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B
Rs. 150 crores
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C
Rs. 300 crores
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D
Rs. 45 crores
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Solution

The correct option is B Rs. 500 crore
If MPS = 0.30 , then MPC= 1- MPS = 1- 0.30 = 0.70

So consumption Function is C = 50+ 0.70 Y where Y in the income in the economy.

At equilibrium level of income,

AS=AD

Y= C+I

=> Y= 50 + 0.70 Y + 100

=> Y - 0.70 Y = 50 + 100

=> 0.30 Y = 150

=> Y = 150/ 0.30 = Rs. 500 crores


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