Saturday, August 4, 2018

postulate of marginal utility

Marginal utility is the additional or extra utility derived from the consumption of one more unit of the given commodity or product.This utility derived from the last unit of a commodity or product purchase.

ExampleTravel agencies advertise for certain tour packages with attractive prices and announce a free ticket if there are five tickets booked. Or the first 100 bookings get 10% reduction in the tariff.

MU = Change in Total Utility/ Change in number of units = ∆TU/∆Q

Characteristics of Utility:

The following are the important characteristic features of utility:

1. utility has no ethical or moral significance:

A commodity which satisfies any type of want, whether moral or immoral, socially desirable .

2. Utility is Psychological:

Utility of a commodity depends on a consumer’s mental attitude and assessment regarding its power to satisfy his particular want.

3. Utility diminishes over time:

The shorter the time period,the more quickly marginal utility diminishes.


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