ECON 203 Study Guide - Quiz Guide: Market Power, Perfect Competition, Marginal Cost

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23 Mar 2019

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Coverage: chapter 9 perfect competition: multiple choice questions, assume that farmer dave produces lettuce and sells it in a perfectly competitive market. Part ii: short questions: the table on the left sets out the market demand schedule for tapes, and the table on the right shows the cost structure of a perfectly competitive firm. There are 4 pairs in which p=mc: 6, 8. 4, 10, 12. 4. But the market price has to be at least (avcmin) in order for the firm to supply any q, so the pair p=mc=6 is out. Now we have to find the pair that gives us qd=qs. You can assume that the above atc applies to both short run and long run. Conceptually, in the long run, the column avc disappears. Graphically, the amount of k in both the long run and the short run is the same. Answer: long run =0 the next case in which p=atc is when they are equal to.

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True/False

Indicate whether the sentence or statement is true or false.

____ 1. The average fixed cost curve increases as output increases over a relevant range of production.

____ 2. Average revenue is slightly higher than price.

____ 3. Marginal cost curves and average cost curves are both purely upward sloping.

____ 4. A firm that sells at a price below average cost is not making a normal profit.

____ 5. In the short run, it is possible for a perfectly competitive firm to make economic profits or economic losses.

____ 6. If a firm sells its output at a price greater than AC, it will earn economic profit.

____ 7. Zero profit in the economic sense means that firms are earning a normal rate of return.

____ 8. In a free market (laissez-faire) system, the price mechanism dictates the production planning (how to produce) decisions.

____ 9. Free markets produce relatively high levels of efficiency but low rates of growth.

____ 10. A natural monopoly occurs when a single firm can produce the entire output of the market at a lower average cost than could many firms.

bronzemoose966

Homework help and study guide help, all multiple choice

A monopolist:

A) can sell as much as it wants at the chosen price because it is the only seller.

B) can increase the price only if it is willing to decrease the quantity sold.

C) can increase the price and the quantity sold at the same time.

D) is not restricted by the law of demand.

A monopolistically competitive firm:

A) produces where marginal revenue equals marginal cost and charges the price consumers are willing to pay as given by the demand curve.

B) produces where marginal cost equals average total cost and charges the price consumers are willing to pay as given by the demand curve.

C) chooses price and quantity based on where the marginal cost curve meets the demand curve.

D) chooses price and quantity based on where the average total cost curve meets the demand curve.

21) Oligopoly is A) like a monopoly because there are barriers to entry. B) like perfect competition because oligopoly firms all sell homogeneous goods. C) like monopolistic competition because oligopoly firms all sell differentiated goods D) like perfect competition because there are many firms in the industry
ECON 1102 (Microeconomics) Test 4 (043015)

In ________ market structure, a firm's output depends ________.

A) an oligopoly; only on its own marginal revenue and marginal cost curves

B) a monopolistically competitive; in part on its competitors' price and quantity decisions

C) an oligopoly; in part on its competitors' price and quantity decisions

D) a monopolistically competitive; only on its marginal revenue curve

11. When firms have an incentive to exit a competitive market, their exit will:

a. drive down market prices.

b. drive down the profits of existing firms in the market.

c. decrease the quantity of goods supplied in the market.

d. All of the above are correct.

12. If a perfectly competitive firm currently produces where the price is greater than the 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.

13. Does a consumer well being vary along a demand curve?

a. Yes. When price increases, consumers move to a lower indifference curve.

b. Yes. When price increases, consumers move to a higher indifference curve.

c. No. When price increases, consumers stay on the same indifference curve.

d. No. When price increases, the higher price has no effect on budget constraints or indifference curves.

e. None of the above

14. If a competitive firm sets its output such that marginal revenue, marginal cost, and average total cost are equal, economic profit must be:

a. Negative

b. positive

c. Zero

d. Indeterminate from the given information

15. 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.

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ECON 203 Study Guide - Quiz Guide: Market Power, Perfect Competition, Marginal Cost

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