Explanation
Investment multiplier refers to the number of time by which the increase in output or income exceeds the increase in investment. It is measured as the ratio between change in income and change in investment and it is denoted as 'k'.
Marginal Propensity to consume refers to the percentage change in consumption for every one rupee of change in the income. It is the ratio between the change in income and corresponding change in consumption.
Multiplier(k) => Change in income / change in investment = 1/ {1-MPC(c)} where c is the marginal propensity to consume.
The transaction motive relates to the desire of the people to hold cash for the future transactions.
Marginal Propensity to save refers to the percentage change in savings for every one rupee of change in the income. It is the ratio between the change in income and its corresponding change in savings.
Multiplier(k) => Change in income / change in investment = 1/ MPS(s) where s is the marginal propensity to save.
The amount saved under transaction motive depends on the level of ____________.
Multiplier(k) => Change in income / change in investment = 1/ {1-MPC(c)} where c is the marginal propensity to consume
If MPC = 0.75 and change in income is Rs. 300 crores, then
Multiplier(k) => 300 / change in investment = 1/ {1-MPC(c)}
=> 300 / change in investment = 1/ 1- 0.75
=> 300 / change in investment = 1/ 0.25
=> 300 / change in investment = 4
=> change in investment = 300 / 4 = 75 crores rupees.
Therefore, additional investment is of Rs. 75 crores.
k= change in income / change in investment.
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