The market for peanut butter in Nutville is monopolistically competitive and in long-run equilibrium. One day, consumer

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The market for peanut butter in Nutville is monopolistically competitive and in long-run equilibrium. One day, consumer advocate Skippy Jif discovers that all brands of peanut butter in Nutville are identical. Thereafter, the market becomes perfectly competitive and again reaches its long-run equilibrium. Using an appropriate diagram, explain whether each of the following variables increases, decreases, or stays the same for a typical firm in the market.

a. Price

b. Quantity

c. Average total cost

d. Marginal cost

e. Profit


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Principles of economics

ISBN: 978-0538453042

6th Edition

Authors: N. Gregory Mankiw

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