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Question

Which one of the following gives the correct relationship between MR, AR and price elasticity?

A
AR=MR(e1e)
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B
MR=AR(e1e)
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C
MR=ARe1
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D
AR=MRe
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Solution

The correct option is B MR=AR(e1e)

Marginal revenue refers to the change in revenue or additional revenue which a firm earns on selling a unit more of its output. It is calculated by dividing the change in total revenue by change in total quantity of commodity sold.

Marginal revenue = Change in total revenue/ Change in quantity of commodity sold.


Average revenue is the revenue per unit of output sold in the market.

Average Revenue = total revenue/total quantity

Price elasticity of demand is the responsiveness of demand of a commodity towards change in its own price. It is denoted by e.


The relationship between these three is:

MR = AR {(e-1)/e} which denotes that MR is directly related to AR but change twice the proportion of AR whereas MR is inversely related to elasticity of demand.


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