1.

State the conditions of consumer's equilibrium in the Indifference Curve Analysis and explain the rationale behind these conditions

Answer»

Solution :LET the only two goods the consumes are X and Y. The two CONDITIONS of equilibrium are:
(1) `MRS_(XY) = (P_(X))/(P_(Y))`
(2) MRS falls as more of X is consumed in place of Y.
Rationale behind these conditions:
(1) SUPPOSE `MRS_(XY) gt (P_(X))/(P_(Y))` it means that to obtain one more unit of X, the consumer is willing to sacrifice more units of Y as compared to what is required in the market. It induces the consumer to buy more of X. As a RESULT, MRS falls and continue to fall till it become equal to the RATIO of prices and the equilibrium is established.
(Explanation based on `MRS lt P_(X)//P_(Y)` is also correct)
(2) Unless MRS falls as consumer consumes more of X, the consumer will not reach equilibrium again.


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