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Determination Of Income And Employment

Question
CBSEENEC12013048

There is increase in investment of र 100 crores in an economy. Marginal propensity to consume is 1. What can you say total increase in income? Calculate.

Solution
straight K space equals space fraction numerator 1 over denominator 1 minus MPC end fraction space equals space fraction numerator 1 over denominator 1 minus 1 end fraction space equals space 1 over 0 space equals space infinity space left parenthesis Infinite right parenthesis
infinity space equals space fraction numerator increment straight Y over denominator increment straight I end fraction
increment straight Y space equals infinity space cross times space increment straight I space equals space infinity
Total increase in income = ∞