# Multiple Choice Questions 1. A perfectly competitive firm a. Chooses its price to maximize profits. b. Sets its price to

## Question:

Multiple Choice Questions
1. A perfectly competitive firm
a. Chooses its price to maximize profits.
b. Sets its price to undercut other firms selling similar products.
c. Takes its price as given by market conditions.
d. Picks the price that yields the largest market share.
2. A competitive firm maximizes profit by choosing the quantity at which
a. Average total cost is at its minimum.
b. Marginal cost equals the price.
c. Average total cost equals the price.
d. Marginal cost equals average total cost.
3. A competitive firm's short-run supply curve is its ___________ cost curve above its ___________ cost curve.
a. Average total, marginal
b. Average variable, marginal
c. Marginal, average total
d. Marginal, average variable
4. If a profit-maximizing, competitive firm is producing a quantity at which marginal cost is between average variable cost and average total cost, it will
a. Keep producing in the short run but exit the market in the long run.
b. Shut down in the short run but return to production in the long run.
c. Shut down in the short run and exit the market in the long run.
d. Keep producing both in the short run and in the long run.
5. In the long-run equilibrium of a competitive market with identical firms, what is the relationship between price P, marginal cost MC, and average total cost ATC?
a. P > MC and P > ATC.
b. P > MC and P = ATC.
c. P = MC and P > ATC.
d. P = MC and P = ATC.
6. Pretzel stands in New York City are a perfectly competitive industry in long-run equilibrium. One day, the city starts imposing a \$100 per month tax on each stand. How does this policy affect the number of pretzels consumed in the short run and in the long run?
a. Down in the short run, no change in the long run
b. Up in the short run, no change in the long run
c. No change in the short run, down in the long run
d. No change in the short run, up in the long run

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