# A consumer consumes only two goods X and Y. If marginal utilities of X and Y are 4 and 5 respectively, and if price of X is Rs 5 per unit and that of Y is Rs 4 per unit is the consumer in equilibrium? What will be further reaction of the consumer? Explain. - Economics

A consumer consumes only two goods X and Y. If marginal utilities of X and Y are 4 and 5 respectively, and if price of X is Rs 5 per unit and that of Y is Rs 4 per unit is the consumer in equilibrium? What will be further reaction of the consumer? Explain.

#### Solution

In case of two goods, a consumer strikes equilibrium when

(MU_z)/P_z=(MU_y)/P_y

Given that

(MU_z)/P_z=4/5=0.8

(MU_y)/P_y=5/4=1.25

Here

(MU_y)/P_y>(MU_z)/P_z

Thus, if a consumer is not in equilibrium, then the consumer increases the consumption of Good X and decreases that of Good Y to reach the equilibrium.

Concept: Conditions of Consumer's Equilibrium Using Marginal Utility Analysis
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2015-2016 (March) Delhi Set 2

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