1.

What Is investment multiplier? Explain Its working using a suitabie numerical example.

Answer»

Solution :Investment multiplier is a MEASURE of the effect of change in the Initial Investment on change in final income.
Numerical example
Suppose`DelatI`=₹100 croresMPC=0.8
Initial investment of₹100 crores raises the income by ₹ 100 crores. In the FIRST round, this additional income causes an increase in consumption expenditure, which in turn, generates more income (as one man’s expenditure is ANOTHER man‘s Income). This process continues TILL the total income is equal to multiplier times the initial investment.

`K=(1)/(1-MPC)`
`K=(1)/(1-0.8)`
`K=5`
So, `DeltaY=K.DeltaI`
`=5xx100`
`=RS500` Crores


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