3. Chillin (C) and Coffee Break (B) compete in espresso market by selling imperfect substitutes. The demand equations are: Qc= 100 - pc + PB QB=100 - pB+pc Assume that marginal cost and average cost is 20 for both firms. a. From the equations, how can you tell these goods are substitutes? How can you tell they are imperfect substitutes? b. Suppose the firms compete by simultaneously choosing price. Find the best response function of each firm as a function of the other firm's price. c. Compute the equilibrium price and quantity for each firm.

Principles of Microeconomics
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ISBN:9781305156050
Author:N. Gregory Mankiw
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Chapter14: Firms In Competitive Markets
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3. Chillin (C) and Coffee Break (B) compete in espresso market by selling imperfect
substitutes. The demand equations are:
Qc= 100 - pc + PB
Qв 3 100- рв + рс
Assume that marginal cost and average cost is 20 for both firms.
a. From the equations, how can you tell these goods are substitutes? How can you
tell they are imperfect substitutes?
b. Suppose the firms compete by simultaneously choosing price. Find the best
response function of each firm as a function of the other firm's price.
c. Compute the equilibrium price and quantity for each firm.
Transcribed Image Text:3. Chillin (C) and Coffee Break (B) compete in espresso market by selling imperfect substitutes. The demand equations are: Qc= 100 - pc + PB Qв 3 100- рв + рс Assume that marginal cost and average cost is 20 for both firms. a. From the equations, how can you tell these goods are substitutes? How can you tell they are imperfect substitutes? b. Suppose the firms compete by simultaneously choosing price. Find the best response function of each firm as a function of the other firm's price. c. Compute the equilibrium price and quantity for each firm.
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