Given perfect competition show on a diagram that profit maximisation implies marginal revenue equals marginal cost equals price. Briefly explain how and why this outcome differs from the equilibrium.

Micro Economics For Today
10th Edition
ISBN:9781337613064
Author:Tucker, Irvin B.
Publisher:Tucker, Irvin B.
Chapter7: Proudction Costs
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11. Given perfect competition show on a diagram that profit maximisation implies marginal revenue equals marginal cost equals price. Briefly explain how and why this outcome differs from the equilibrium.

 

 

Not sure if the attached diagram helps please explain how to solve this questionn

10,000-
9,000-
Profit = Q(P - AC)
%3D
8,000-
7,000-
Marginal cost
6,000 -
Isoprofit curve: $150,000
Isoprofit curve: $70,000
5,000-
K
4,000-
Zero-economic-profit curve (AC curve)
3,000 -
2,000
1,000-
0+
10
30
40
50
60 70
80
90 100 110 120
Quantity of cars, Q
Price, marginal cost
20
Transcribed Image Text:10,000- 9,000- Profit = Q(P - AC) %3D 8,000- 7,000- Marginal cost 6,000 - Isoprofit curve: $150,000 Isoprofit curve: $70,000 5,000- K 4,000- Zero-economic-profit curve (AC curve) 3,000 - 2,000 1,000- 0+ 10 30 40 50 60 70 80 90 100 110 120 Quantity of cars, Q Price, marginal cost 20
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