Microeconomics, Student Value Edition Plus MyLab Economics with Pearson eText -- Access Card Package (6th Edition)
6th Edition
ISBN: 9780134304755
Author: R. Glenn Hubbard, Anthony Patrick O'Brien
Publisher: PEARSON
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Chapter 15, Problem 15.4.4PA
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Explain whether the following sentence makes Good Economic Sense: “The way to tell if a business has monopoly power is to count the number of substitutes for that business’s product.”
The three graphs below illustrate the market for electricity. The distribution of electricity is a natural monopoly; therefore, to take advantage of lower production costs, it is efficient to have only one firm in the market. Unfortunately, if a monopoly were allowed to provide electricity, it would charge a higher price and provide a smaller amount of electricity than would be desirable. In other words, the unregulated monopoly would charge the monopoly's profit-maximizing price. To avoid this, the government will allow a single firm to provide electricity, but the government will regulate the price. Let’s compare possible regulatory solutions.
Consider the welfare effects when the industry operates under a competitive market versus a monopoly.
On the monopoly graph, use the black points (plus symbol) to shade the area that represents the loss of welfare from a monopoly, or deadweight loss. That is, show the area that was formerly producer surplus or consumer surplus and now does not accrue to anybody.
Deadweight loss occurs when a monopoly controls a market because the resulting equilibrium is different from the competitive outcome, which is efficient.
In the following table, enter the price and quantity that would arise in a competitive market; then enter the profit-maximizing price and quantity that would be chosen if a monopolist controlled this market.
Market Structure
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Competitive
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Given the summary table of the two different market structures, you can infer that, in general, the price is higher under a (competitive market or…
Chapter 15 Solutions
Microeconomics, Student Value Edition Plus MyLab Economics with Pearson eText -- Access Card Package (6th Edition)
Ch. 15 - Prob. 15.1.1RQCh. 15 - Prob. 15.1.2RQCh. 15 - Prob. 15.1.3PACh. 15 - Prob. 15.1.4PACh. 15 - Prob. 15.1.5PACh. 15 - Prob. 15.1.6PACh. 15 - Prob. 15.2.1RQCh. 15 - Prob. 15.2.2RQCh. 15 - Prob. 15.2.3RQCh. 15 - Prob. 15.2.4RQ
Ch. 15 - Prob. 15.2.5PACh. 15 - Prob. 15.2.6PACh. 15 - Prob. 15.2.7PACh. 15 - Prob. 15.2.8PACh. 15 - Prob. 15.2.9PACh. 15 - Prob. 15.2.10PACh. 15 - Prob. 15.2.11PACh. 15 - Prob. 15.2.12PACh. 15 - Prob. 15.2.13PACh. 15 - Prob. 15.2.14PACh. 15 - Prob. 15.3.1RQCh. 15 - Prob. 15.3.2RQCh. 15 - Prob. 15.3.3RQCh. 15 - Prob. 15.3.4PACh. 15 - Prob. 15.3.5PACh. 15 - Prob. 15.3.6PACh. 15 - Prob. 15.3.7PACh. 15 - Prob. 15.3.8PACh. 15 - Prob. 15.3.9PACh. 15 - Prob. 15.3.10PACh. 15 - Prob. 15.4.1RQCh. 15 - Prob. 15.4.2RQCh. 15 - Prob. 15.4.3PACh. 15 - Prob. 15.4.4PACh. 15 - Prob. 15.4.5PACh. 15 - Prob. 15.4.6PACh. 15 - Prob. 15.4.7PACh. 15 - Prob. 15.4.8PACh. 15 - Prob. 15.5.1RQCh. 15 - Prob. 15.5.2RQCh. 15 - Prob. 15.5.3RQCh. 15 - Prob. 15.5.4PACh. 15 - Prob. 15.5.5PACh. 15 - Prob. 15.5.6PACh. 15 - Prob. 15.5.7PACh. 15 - Prob. 15.5.8PACh. 15 - Prob. 15.5.9PACh. 15 - Prob. 15.5.10PACh. 15 - Prob. 15.5.11PACh. 15 - Prob. 15.5.12PACh. 15 - Prob. 15.5.13PA
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- Suppose a monopoly faces the market demand in the figure attached. It has a constant marginal cost equal to $6. a. Find the monopoly quantity and price. Give a numeric answer for each and show them on the graph. b. Find the perfectly competitive quantity and price assuming the market is made up of producers each with marginal cost $6. Give a numeric answer for each and show them on the graph. c. What is the efficient quantity? Give a numeric answer and show it on the graph. Which market structure, monopoly or perfect competition, comes closer to achieving the efficient quantity? d. Now suppose there is a negative externality associated with producing the good of $5 per unit. Now which market structure, monopoly or perfect competition, comes closer to achieving the efficient quantity? Explain briefly.arrow_forwardWhat are the four most important ways a firm becomes a monopoly? Will a monopoly that maximizes profit also be maximizing revenue? Will it be maximizing output? Explain. Assume the graph below represents the market for a monopolist. What quantity will the monopolist produce, and what price will she charge? What will her total revenue, costs, and profit be at this production level? What will the deadweight loss for society be at this level of production? (Assume the MC curve is a straight line between the relevant points for this calculation.)arrow_forwardGraphically show a monopoly firm that currently sells 250 units of output at a price of $60/unit, where the marginal revenue of the 250th unit is $40, the marginal cost of the 250th unit is $50, and the average total cost at 250 units is $60. [Hint: Based on the information given, is the quantity you’re asked to show the profit-maximizing quantity? Think about what has to be true for profit-maximization.] Based on the graph and assuming the firm attempts to profit maximize (and succeeds), what would happen to price, quantity, MR, MC, and ATC? (rise, fall, or stay the same?)arrow_forward
- What are the four most important ways a firm becomes a monopoly? Will a monopoly that maximizes profit also be maximizing revenue? Will it be maximizing output? Explain. Assume the graph below represents the market for a monopolist. What quantity will the monopolist produce, and what price will she charge? What will her total revenue, costs, and profit be at this level of production? What will the deadweight loss for society be at this level of production? (Assume the MC curve is a straight line between the relevant points for this calculation.) 3. U.S. antitrust laws are designed to prohibit monopolization and encourage competition. Why, then, does the government erect barriers to entry and create monopoly power by granting firms patents?arrow_forwardThe figure shows what type of market? >>Please add an explanation of how natural monopoly differs in graph vs. normal monopoly.arrow_forwardAnswer the following 2 questions a) Can a firm have market power even if it is not the only firm in the market? Why? How do you measure market power? b) Is there a social cost associated with profit maximisation in monopoly? Why? Please illustrate your reply with a grapharrow_forward
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