Derivation Of AR And Mr Curve Under Perfect Competition

Perfect Competition is a market structure where there is large number of buyer and seller with homogeneous goods selling at uniform(same) price.In perfect competition, firms refer to the profit-oriented organizations in the economy providing or producing broadly similar commodities or offering complementary services.

Industry is defines as group of firms and in perfect competition, firm is a price taker and price will be same.

TABLE OF DERIVATION OF AR AND MR CURVE UNDER PERFECT COMPETITION:

QPTRARMR
05---
15555
251055
351555
452055
552555

Where, 

Q= No. of units sold

P=Price in Rs.

TR=P*Q

AR=TR/Q

MR=Change in TR/Change in quantity sold 

In this table we can see that price is same. Since, AR and price are equal to each other. MR remains constant like AR because TR increase at same rate. Therefore, we can find that;

P=AR=MR