1. Two firms compete in a market to sell a homogeneous product with inverse demand function P = 960-6Q. Each firm produces at a constant marginal cost of $60 and has no fixed costs. a. Assuming perfect competition, compute i. Equilibrium price and quantity ii. Profits and producer surplus iii. Consumer surplus and total surplus

Microeconomic Theory
12th Edition
ISBN:9781337517942
Author:NICHOLSON
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Chapter15: Imperfect Competition
Section: Chapter Questions
Problem 15.11P
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1. Two firms compete in a market to sell a homogeneous product with inverse
demand function P = 960-6Q. Each firm produces at a constant marginal cost of
$60 and has no fixed costs.
a. Assuming perfect competition, compute
i. Equilibrium price and quantity
ii. Profits and producer surplus
iii. Consumer surplus and total surplus
b. Assuming Cournot duopoly, compute
i. Reaction functions for each firm
ii. Profits of each firm
iii. Consumer surplus
iv. Total welfare loss relative to perfect competition (if any)
c. Assuming the firms collude and act as a monopolist, compute
i. Equilibrium price and quantity
ii. Total profits
iii. Consumer surplus
iv. Total welfare loss relative to perfect competition (if any)
d. Rank the output quantities, profits, and total welfare by the three market
structures above

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