Consider a market with demand Q=110-p. The market has free entry. Each firm has a cost function c(q) = 50 + 10q. (Hint: assume Cournot competition) a. How many firms will enter? b. What price will each be charging? c. What profit will each firm make, if any? d. What is the consumer surplus? e. What is the total welfare, consisting of the consumer surplus plus total profit of al firms? f. Calculate total welfare if there was one firm less in the market. g. Explain in 100 words or less why you found that welfare increased or decreased or did not change.

ENGR.ECONOMIC ANALYSIS
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Chapter1: Making Economics Decisions
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Consider a market with demand Q=110-p. The market has free entry. Each firm has a
cost function c) = 50 + 10q. (Hint: assume Cournot competition)
a. How many firms will enter?
b. What price will each be charging?
c. What profit will each firm make, if any?
d. What is the consumer surplus?
e. What is the total welfare, consisting of the consumer surplus plus total profit of all
firms?
f. Calculate total welfare if there was one firm less in the market.
g. Explain in 100 words or less why you found that welfare increased or decreased
or did not change.
Suppose that new firm with zero fixed cost and marginal cost of 30 wanted to enter the
market described in question 2, would it be able to do so profitably? Explain.
Transcribed Image Text:Consider a market with demand Q=110-p. The market has free entry. Each firm has a cost function c) = 50 + 10q. (Hint: assume Cournot competition) a. How many firms will enter? b. What price will each be charging? c. What profit will each firm make, if any? d. What is the consumer surplus? e. What is the total welfare, consisting of the consumer surplus plus total profit of all firms? f. Calculate total welfare if there was one firm less in the market. g. Explain in 100 words or less why you found that welfare increased or decreased or did not change. Suppose that new firm with zero fixed cost and marginal cost of 30 wanted to enter the market described in question 2, would it be able to do so profitably? Explain.
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