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Determination Of Income And Employment

Question
CBSEENEC12013026

What can be minimum value of multiplier and why?

Solution
Minimum and maximum value of multiplier. Value of K depends upon value of MPC or MPS. We know size of MPC cannot be negative, it can be, at the most, zero (minimum value) and maximum value can be 1. Let us take two extreme values (1 and 0) of MPC to find out value of K.
(i) Minimum value of multiplier is l. How?
When MPC = 0, then MPS = 1 – 0 = 1.  Hence, straight K space equals space 1 over MPS space equals space 1 over 1 space equals 1
(ii) Maximum value of K may be ∞ (infinity). How?
When MPC = 1, then MPS = 1 – 1 = 0. Hence straight K space equals space 1 over MPS space equals space 1 over 0 space equals space infinity
Between these two extremes (1 and infinity), value of multiplier varies depending upon value of MPC.