Free CPA-Business Exam Braindumps (page: 48)

Page 48 of 132

Which one of the following statements concerning pure monopolies is correct?

  1. The demand curve of a monopolist is perfectly elastic.
  2. The price at which a monopolist maximizes its profit is where price equals both marginal cost and marginal revenue.
  3. A monopolist's marginal revenue curve lies below its demand curve.
  4. The supply curve of a monopolist is perfectly inelastic.

Answer(s): C

Explanation:

Choice "c" is correct. A monopolist's marginal revenue curve lies below its demand curve. Choice "a" is incorrect. The demand curve of a monopolist is not perfectly elastic.
Choice "b" is incorrect. A monopolist sets its price higher than marginal revenue.
Choice "d" is incorrect. A monopolist can change the quantity supplied or fix the price but cannot do both simultaneously. In any case, its supply curve is not perfectly inelastic.



Karen Parker wants to establish an environmental testing company that would specialize in evaluating the quality of water found in rivers and streams. However, Parker has discovered that she needs either certification or approval from five separate local and state government agencies before she can commence business. Also, the necessary equipment to begin would cost several million dollars.
However, Parker believes that if she is able to obtain capital resources, she can gain market share from the two major competitors.
The large capital outlay necessary for the equipment is an example of a(n):

  1. Entry barrier.
  2. Minimum efficiency scale.
  3. Created barrier.
  4. External cost.

Answer(s): A

Explanation:

Choice "a" is correct. Large capital (money) requirements are the basic example of barriers to entry. A barrier to entry effectively prevents firms from entering the market to compete against existing firms.
Choice "b" is incorrect. Minimum efficient scale is the output level at which long run average costs are minimized. Here, Parker has not even been able to enter the industry.
Choice "c" is incorrect. A created barrier is made by firms already in the industry. Here, Parker's barrier was not created.
Choice "d" is incorrect. An external cost is a cost that the company does not account for, but passes on to the detriment of society.



Entry into monopolistic competition is:

  1. Frequent, as no obstacles exist.
  2. Difficult, with significant obstacles.
  3. Rare, as significant capital is required.
  4. Relatively easy, with only a few obstacles.

Answer(s): D

Explanation:

Choice "d" is correct. The characteristics of monopolistic competition include:
•Numerous firms with differentiated products.
•Ease of entry - few barriers.
•Firms exact some influence over price and market.
•Non-price competition is frequent and critical.
Choice "a" is incorrect. Monopolistic competition has a few obstacles. A market with no obstacles is in perfect competition.
Choice "b" is incorrect. Significant obstacles are characteristic of oligopoly.
Choice "c" is incorrect. Significant capital requirements represent a significant barrier to entry, which is characteristic of oligopoly.



In markets that are imperfectly competitive, such as monopoly and monopolistic competition, firms produce at an output where:

  1. Price equals marginal cost.
  2. Average costs are minimized.
  3. Price equals average cost.
  4. Marginal cost equals marginal revenue.

Answer(s): D

Explanation:

Choice "d" is correct. Firms produce up to the point where marginal cost equals marginal revenue, whether the markets are perfectly competitive or imperfectly competitive.
Choice "a" is incorrect. Very close, but it's actual marginal revenue, not price. It is assumed that revenue is not fixed on a unit basis.
Choice "b" is incorrect. Beyond the point of average costs being minimized, marginal cost will rise. Still, it will make sense to increase production until marginal cost equals marginal revenue.
Choice "c" is incorrect. Marginal revenue, not price, as revenue is assumed to vary on a per unit basis, and not average cost, since it will increase profits to expand production until marginal revenue equals marginal cost.



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