The demand function for a monopolistically competitive firm's product is Q = 100 – 4P, while the firm's cost function is C = 500 + 10Q + 0.5Q2. (a) Determine the firm's equilibrium price and quantity. (b) Is the firm in long-run equilibrium? If not, what is expected to happen in the long run if the firm remains in the industry?

Microeconomics
13th Edition
ISBN:9781337617406
Author:Roger A. Arnold
Publisher:Roger A. Arnold
Chapter11: Monopolistic Competition, Oligopoly, And Game Theory
Section11.3: Price And Output Under Cartel Theory
Problem 2ST
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The demand function for a monopolistically competitive firm's product is Q = 100 – 4P, while the firm's cost function is C = 500 + 10Q + 0.5Q2.
(a) Determine the firm's equilibrium price and quantity.
(b) Is the firm in long-run equilibrium? If not, what is expected to happen in the long run if the firm remains in the industry?

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