1.

In an economy equilibrium level of income is Rs. 12,000 crore. The ratio of MPC to MPS is 3 : 1. Calculate the additional investment needed to reach a new equilibrium level of Rs. 20,000 crore.

Answer»

Solution :GIVEN `MPC` to `MPS=3 :1` i.e. `MPC=0.75` and `MPS=0.25`
`DELTA Y=20,000-12,000=8,000` crore
`DeltaY=DeltaI 1/(MPS)`
`8,000=DeltaI 1/(0.25)`
`=4 Delta I`
`Delta I= Rs. 2,000` crore.


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