Exam 15: Monopoly and Antitrust Policy

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Figure 15-17 Figure 15-17     Your college decides to offer a psychology course as a MOOC that can be taken by students anywhere in the world, whether they are actually enrolled in your college or not. The demand and cost situation for the MOOC is shown in the figure. -Refer to Figure 15-17.An economics professor argues: I think the course should be priced so as to achieve economic efficiency. How much profit (or loss)will the college make on the course if it charges this price? Your college decides to offer a psychology course as a MOOC that can be taken by students anywhere in the world, whether they are actually enrolled in your college or not. The demand and cost situation for the MOOC is shown in the figure. -Refer to Figure 15-17.An economics professor argues: "I think the course should be priced so as to achieve economic efficiency." How much profit (or loss)will the college make on the course if it charges this price?

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a.What is the defining characteristic of a natural monopoly? b.Should the government break up a natural monopoly into two or more firms to make the industry more competitive? c.Suppose the government wants to ensure that some of the benefits of declining average total cost are passed on to consumers.To achieve this goal, it requires that the natural monopoly set its price equal to marginal cost.Is this a feasible goal? Explain. d.What is an alternative to marginal cost pricing that ensures that consumers reap some of the benefits of declining average total cost?

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a.The defining characteristic is the presence of significant economies of scale such that the average total cost of production declines over the relevant range of market demand.
b.No, given the importance of economies of scale, society is better of with one big firm producing the output rather than several small firms.
c.Setting price equals to marginal cost is not feasible because the natural monopoly will incur persistent losses and will not continue to produce in the long run.
d.An alternative solution is to require average total cost pricing; that is, price is set equal to the average cost of production (where the average cost includes the opportunity cost of funds invested in the firm by its owners).This will allow the monopolist to break even on its investment and stay in business.

If a monopolist's price is $50 and average total cost is $43, then the average profit is $7.

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The De Beers diamond mining and marketing company of South Africa became one of the most profitable and longest-lived monopolies in history.Which of the following has always threatened De Beers' control of the diamond market?

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Local or state offices of the Department of Justice usually set prices for natural monopolies in their jurisdictions.

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The demand curve for a monopoly firm

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Figure 15-4 Figure 15-4     Figure 15-4 shows the demand and cost curves for a monopolist. -Refer to Figure 15-4.What is likely to happen to this monopoly in the long run if costs and demand stay the same? Figure 15-4 shows the demand and cost curves for a monopolist. -Refer to Figure 15-4.What is likely to happen to this monopoly in the long run if costs and demand stay the same?

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If you own the only bookstore in a small town, do you have a monopoly?

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What gives rise to a natural monopoly? How do consumers benefit from a natural monopoly?

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A patent

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To be a natural monopoly, a firm must

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In the short run, even if a monopoly's total revenue does not cover its variable costs, it should continue to produce because ultimately in the long run, the monopoly will start earning profits.

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Some economists argue that Microsoft became a monopoly in the market for computer software by developing MS-DOS, an operating system used for the first IBM personal computers.The more people who used MS-DOS-based programs, the greater the usefulness of a using a computer with an MS-DOS operating system.The explanation for Microsoft's monopoly is

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A narrow definition of monopoly is that a firm is a monopoly if it can ignore

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When a proposed merger between two companies is reviewed by the government, the relevant market is defined by

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Firms that face downward-sloping demand curves for their output in the product market are called

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Suppose that a perfectly competitive industry becomes a monopoly.What effect will this have on consumer surplus, producer surplus, and deadweight loss?

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Figure 15-17 Figure 15-17     Your college decides to offer a psychology course as a MOOC that can be taken by students anywhere in the world, whether they are actually enrolled in your college or not. The demand and cost situation for the MOOC is shown in the figure. -Refer to Figure 15-17.The dean of the college argues: I think the course should be priced to maximize the profit the college earns, so these funds can be used to pay some other expenses. Which price should the dean favor? Your college decides to offer a psychology course as a MOOC that can be taken by students anywhere in the world, whether they are actually enrolled in your college or not. The demand and cost situation for the MOOC is shown in the figure. -Refer to Figure 15-17.The dean of the college argues: "I think the course should be priced to maximize the profit the college earns, so these funds can be used to pay some other expenses." Which price should the dean favor?

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What happens to a monopoly's revenue when it sells more units of its product?

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Explain why market power leads to a deadweight loss.Is the total deadweight loss from market power in the United States large or small?

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