24. Competition à la Cournot with homogenous goods and symmetric convex cost functions. Consider an industry with N > 2 firms competing à la Cournot, facing inverse demand function p(Q) = a – bQ, where Q = 1q; and symmetric cost function c(qi) = cq; + q? where a > c, d > 0, 6 > 1 and d+ 2b > 0. (You may also assume that note that marginal costs in this setting are c(qi) = c+ dq; , which is increasing in firm i's output. < - to avoid settings with negative costs). As a remark, a-c 26+d %3|

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Chapter1: Making Economics Decisions
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24.
Competition à la Cournot with homogenous goods and symmetric convex cost
functions. Consider an industry with N > 2 firms competing à la Cournot, facing inverse demand function
p(Q) = a – bQ, where Q = E1 9i and symmetric cost function c(q;) = cq; + q where a > c, d > 0, b > 1
and d+ 26 > 0. (You may also assume that < - to avoid settings with negative costs). As a remark,
note that marginal costs in this setting are c(qi) = c+ dq; , which is increasing in firm i's output.
26+d
Transcribed Image Text:24. Competition à la Cournot with homogenous goods and symmetric convex cost functions. Consider an industry with N > 2 firms competing à la Cournot, facing inverse demand function p(Q) = a – bQ, where Q = E1 9i and symmetric cost function c(q;) = cq; + q where a > c, d > 0, b > 1 and d+ 26 > 0. (You may also assume that < - to avoid settings with negative costs). As a remark, note that marginal costs in this setting are c(qi) = c+ dq; , which is increasing in firm i's output. 26+d
d.
Find the equilibrium price and profits for each firm at equilibrium. What happens to these
when the number of firms increase? Explain.
According to your results determine whether the following statement is true or false. "More
е.
firms in an industry à la Cournot decrease profits for all firms in the industry while decreasing the price in
the market". Justify your answer.
Transcribed Image Text:d. Find the equilibrium price and profits for each firm at equilibrium. What happens to these when the number of firms increase? Explain. According to your results determine whether the following statement is true or false. "More е. firms in an industry à la Cournot decrease profits for all firms in the industry while decreasing the price in the market". Justify your answer.
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