Which of the following is a characteristic of a perfectly competitive market?
a. Firms are price setters. b. There are few sellers in the market. c. Firms can exit and enter the market freely. d. All of the above are correct. If a perfectly competitive firm currently produces where price is greater than marginal cost it
a. will increase its profits by producing more. b. will increase its profits by producing less. c. is making positive economic profits. d. is making negative economic profits.
When a perfectly competitive firm makes a decision to shut down, it is most likely that
a. price is below the minimum of average variable cost. b. fixed costs exceed variable costs. c. average fixed costs are rising. d. marginal cost is above average variable cost.
In the long run, a profit-maximizing firm will choose to exit a market when
a. fixed costs exceed sunk costs. b. average fixed cost is rising. c. revenue from production is less than total costs. d. marginal cost exceeds marginal revenue at the current level of production.
When firms have an incentive to exit a competitive market, their exit will
a. drive down market prices. b. drive down profits of existing firms in the market. c. decrease the quantity of goods supplied in the market. d. All of the above are correct.
In a perfectly competitive market, the process of entry or exit ends when
a. firms are operating with excess capacity. b. firms are making zero economic profit. c. firms experience decreasing marginal revenue. d. price is equal to marginal cost.
Equilibrium quantities in markets characterized by oligopoly are
a. lower than in monopoly markets and higher than in perfectly competitive markets. b. lower than in monopoly markets and lower than in perfectly competitive markets. c. higher than in monopoly markets and higher than in perfectly competitive markets. d. higher than in monopoly markets and lower than in perfectly competitive markets