ECON 202 Lecture Notes - Lecture 16: Natural Monopoly, Marginal Revenue, Marginal Cost

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cerisegiraffe538

13 Jul 2015

School

Texas A&M University

Department

Economics

Course

ECON 202

Professor

Ajalavat Viriyavipart

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Econ 202: principles of microeconomics - lecture 16: monopoly and antitrust policy. Monopoly: a firm that is the only seller of a good or service that does not have a close substitute. Yes provided that substitutes are not close substitutes. A firm is a monopoly if it can ignore the actions of all other firms in particular, the prices other firms charge. Sometimes a broader definition must be adopted: a firm is a monopoly if there are no other firms selling a substitute close enough that the firm"s economic profits are competed away in the long run. Monopolies cannot just simply form the barriers to entry are far too high. Barriers to entry may be high enough to keep out competing firms for four main reasons: Governments can block entry by granting patents, copyrights, or trademarks to an individual or firm, giving it exclusive right to produce a product.

Related Questions

1. Which characteristic led to Microsoft exercising monopoly power?

A.copyright protection for the Windows operating system

B .no close substitutes

C.economies of scale

D.government franchise

2. The goal of antitrust law is to:

A. prevent monopolies and monopoly power from arising.

B.protect monopolies from the competition.

C. make sure consumers pay high prices.

D. preserve allocative inefficiencies of monopolies.

3. Which of the following is not a characteristic of a monopoly?

A. The market has just one seller.

B.There exist significant barriers to entry.

C. Substitutes for the monopolist's products are available to buyers.

D. No close substitutes exist for the monopolist's products.

4. A constantly declining long-run average cost curve is a characteristic of what type of industrial structure:

A. Monopoly

B. Natural monopoly

C. Oligopoly

D. Perfect competition

5. An industry that has large economies of scale operates most efficiently as a(n):

	A.competitive industry.
	B.monopoly
	C.regulated natural monopoly.
	D.anarchic industry.

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Your feedback will be greatly appreciated. Thanks in advance.

Q: Point out one product that you believe is produced by a âpureâ monopoly firm (or a firm with a high degree of monopoly power).

Is it a local, regional or national monopoly?

What are some of the Barriers to Entry into this industry?

For the product listed, list substitute(s) for this âmonopoly.â

Demonstrate how the relative âclosenessâ of the substitutes listed determines, to a large degree, effective limits to the monopoly power of these firms.

A: I believe Amtrak is a monopoly. This is a national monopoly because its available coast to coast, you may travel locally with Amtrak, state to state as well. The barrier for entry are the limited railroad systems for Amtrak, limited resource, cost to produce additional train system, and fact that Amtrak is not producing a profit even though they are a monopoly. Train transportation is not popular anymore, and is difficult for them to cut costs because they donât have a lot of train tickets purchased. So, they increase their prices for what they do sell. Other forms of transportation are not changing the fact that it is a monopoly, but has affected it from taking control of transportation. Purchasing a rental car, bus ticket or a plane ticket has been more convenient and inexpensive. I personally have wanted to purchase a train ticket multiple times, but the routes are wrong, or the length of trip duration has exceeded my availability, and costs are not worth the time. There are smaller train lines but are not monopolized like Amtrak. Example you travel and look up Amtrak station, name of the company. When you fly the airlines is not called the airport which has multiple airlines. Train station is usually Amtrak.

11)

A constant-cost, perfectly competitive industry experiences a permanent increase in demand. In adjusting to this change, what will happen to the price of the product?

	It will increase in the short-run and then decrease in the long-run, but end up above its original level in the long-run.
	It will increase in the short-run and then increase further in the long-run.
	It will increase in the short-run and then decrease back to its original level in the long-run.
	It will increase in the short-run and then decrease below its original level in the long-run.
	It will decrease in the short-run but return to its original level in the long-run.

12)

Assume that a perfectly competitive firm owns or rents a higher-quality resource that results in lower average total costs and higher economic profits in the short run. What will happen in the long-run?

	The price of the higher-quality resource will be bid upward resulting in economic rents and equalizing costs across firms.
	New firms will enter and compete with any excess profits away.
	None of the other answers is correct.
	The government will tax away any excess profits.
	The firm with the higher-quality resource will earn positive economic profits in the long run.

13)

Which of the following are characteristics of long-run equilibrium?

	No firm has an incentive to change its level of output.
	No firm has an incentive to change its plant size.
	Economic profit is zero
	All of the above
	None of the above

14)

Which of the following statements is consistent with the textbookâs analysis of perfect competition?

	Although individual perfectly competitive firms wonât pay to advertise, the industry as a whole may well advertise.
	Higher costs for one firm in the industry will result in that firm charging a higher price than the other firms in the industry.
	If all the firms in an industry charge an identical price for their products, this is clear evidence of collusive behavior.
	All of the above
	None of the above

15)

The assumptions that define the market structure known as monopoly include which of the following?

	High barriers to entry.
	There is one seller.
	There are no close substitutes available.
	All of the above
	None of the above

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ECON 202 Lecture Notes - Lecture 16: Natural Monopoly, Marginal Revenue, Marginal Cost

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