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In an economy , the equilibrium level of income is Rs.12,000 crore. The ratio of marginal propensity to consume and marginal propensity to save is 3:1. Calculate the additional investment needed to reach a new equilibruim level of income of Rs. 20,000 crore. |
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Answer» Multiplier (K) `= (1)/(MPS)=(1)/(0.25)=4` We ALSO know: k `=("Change in Income"(DeltaY))/("Change in Investment"(Deltal))` Given: Change in Income `(DeltaY) =20,000 = Rs. 8,000` crores i.e., `=(8,000)/("Change in Investment"(Deltal))` Hence, Change inInvestment `(Deltal) = Rs. 2,000` crores |
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