Two firms produce a homogenous product. Let p denote the product's price. The output level of firm 1 is denoted by q1, and the output level of firm 2 by q2. The aggregate industry output is denoted by Q, Q = q1 + q2. The aggregate industry demand curve for this product is given by p = 200 – Q. a. Assuming that firms are homogeneous with cost function C(q1) = 2qi, derive the best response function for each firm. Show that Cournot-Nash equilibrium output for each firm is symmetric. Find the Cournot-Nash equilibrium aggregate output and price. Verify that given similar cost functions, equilibrium profits for each firm is symmetric as well.

Managerial Economics: Applications, Strategies and Tactics (MindTap Course List)
14th Edition
ISBN:9781305506381
Author:James R. McGuigan, R. Charles Moyer, Frederick H.deB. Harris
Publisher:James R. McGuigan, R. Charles Moyer, Frederick H.deB. Harris
Chapter12: Price And Output Determination: Oligopoly
Section: Chapter Questions
Problem 5E
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Two firms produce a homogenous product. Let p denote the product's price. The output level
of firm 1 is denoted by q1, and the output level of firm 2 by q2. The aggregate industry
output is denoted by Q, Q = q1 + q2. The aggregate industry demand curve for this product
is given by p = 200 – Q.
a. Assuming that firms are homogeneous with cost function C(qi) = 2qi, derive the best
response function for each firm. Show that Cournot-Nash equilibrium output for each
firm is symmetric. Find the Cournot-Nash equilibrium aggregate output and price. Verify
that given similar cost functions, equilibrium profits for each firm is symmetric as well.
Transcribed Image Text:Two firms produce a homogenous product. Let p denote the product's price. The output level of firm 1 is denoted by q1, and the output level of firm 2 by q2. The aggregate industry output is denoted by Q, Q = q1 + q2. The aggregate industry demand curve for this product is given by p = 200 – Q. a. Assuming that firms are homogeneous with cost function C(qi) = 2qi, derive the best response function for each firm. Show that Cournot-Nash equilibrium output for each firm is symmetric. Find the Cournot-Nash equilibrium aggregate output and price. Verify that given similar cost functions, equilibrium profits for each firm is symmetric as well.
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