8. There are several identical firms in a market. The cost function of firm i is q? +q, where qi is the output of this firm, and q is the sum of other firms' output. The market demand is q(p) = - p. We assume that all firms are Cournot oligopolists, and the market is free entry. In equilibrium the number of firms in the market is A. 5 C. 3 D. 2 B. 4

Microeconomic Theory
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ISBN:9781337517942
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Chapter15: Imperfect Competition
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8. There are several identical firms in a market. The cost function of firm i is q? +q,
where q; is the output of this firm, and q is the sum of other firms' output. The market
5
demand is q(p) =-1
p. We assume that all firms are Cournot oligopolists, and the
market is free entry. In equilibrium the number of firms in the market is
А. 5
В. 4
С.3
D. 2
Transcribed Image Text:8. There are several identical firms in a market. The cost function of firm i is q? +q, where q; is the output of this firm, and q is the sum of other firms' output. The market 5 demand is q(p) =-1 p. We assume that all firms are Cournot oligopolists, and the market is free entry. In equilibrium the number of firms in the market is А. 5 В. 4 С.3 D. 2
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