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Theory of consumer behaviour — Economics STD 12 Humanities & Commerce — Question

Rajasthan BoardEnglish MediumSTD 12 Humanities & CommerceEconomicsTheory of consumer behaviour4 Marks
Question
Explain consumer’s equilibrium with the help of Indifference Curve Analysis.
✓

Answer

There are two conditions:

  1. MRS = Ratio of prices.
  2. MRS continuously falls.
Explanation:

  1. Let the two goods be X and Y. The first condition for consumer's equilibrium is that MRS = Px/Py. Now suppose MRS is greater than Px/Py. It means that the consumer is willing to pay more for X than the price prevailing in the market. As a result the consumer buys more of X. This leads to fall in MRS. MRS continues to fall till it becomes equal to the ratio of prices and the equilibrium is established.

(Or, alternatively in terms of when MRS < Px/Py).

  1. Unless MRS continuously falls, the equilibrium cannot be established.

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