标题: Reading 20: Monopolistic Competition and Oligopoly LOS A习题 [打印本页]
作者: honeycfa 时间: 2010-4-17 09:33 标题: [2010]Session 5-Reading 20: Monopolistic Competition and Oligopoly LOS A习题
LOS a: Describe the characteristics of monopolistic competition and an oligopoly.
A market that is characterized by monopolistic competition is least likely to feature:
A) |
low barriers to entry. | |
B) |
a small number of independent sellers. | |
C) |
sellers that produce a differentiated product. | |
In monopolistic competition, there is a large, not small, number of independent sellers.
作者: honeycfa 时间: 2010-4-17 09:34
Which of the following is most likely to be considered a characteristic of monopolistic competition?
A) |
Differentiated products. | |
B) |
Inelastic demand curves. | |
C) |
High barriers to entry and exit. | |
Differentiated products are a key characteristic of monopolistic competition. Although producers have downward sloping demand curves, they are typically elastic.
作者: honeycfa 时间: 2010-4-17 09:34
Which of the following most accurately describes why firms under monopolistic competition face elastic demand for their products?
A) |
The availability of many close substitutes. | |
B) |
Allocative efficiency. | |
C) |
High barriers to entry. | |
The demand for products from firms competing in monopolistic competition is relatively elastic due to the availability of close substitutes. If a firm increases its product price, it will lose customers to firms selling slightly differentiated products at lower prices.
作者: honeycfa 时间: 2010-4-17 09:36
Which of the following is least likely to be considered a feature that is common to both monopolistic competition and perfect competition?
A) |
Low or no barriers to entry. | |
B) |
Zero economic profits in the long run. | |
C) |
Extensive advertising to differentiate products. | |
The only item listed in the question that monopolistic competition and perfect competition do not have in common is the use of advertising to differentiate their products. Extensive advertising is a key feature of monopolistic competition.
作者: honeycfa 时间: 2010-4-17 09:37
An oligopoly is charcterized by all of the following EXCEPT:
A) |
large economies of scale. | |
B) |
significant barriers to entry. | |
C) |
a large number of sellers. | |
Oligopolies consist of a small number of sellers. Their products may be either similar or differentiated.
作者: honeycfa 时间: 2010-4-17 09:37
Monopolistic competition differs from pure monopoly in that:
A) |
monopolistic competitors are price takers and monopolists are not. | |
B) |
monopolistic competitors have low barriers to entry and monopolists do not. | |
C) |
monopolists maximize profits and monopolistic competitors do not. | |
Another name for monopolistic competition is a competitive price searcher market. Monopolistic competition refers to a large number of independent sellers, each produces a differentiated product, each market has a low barrier to entry, and each producer faces a downward sloping demand curve.
作者: honeycfa 时间: 2010-4-17 09:37
Which one of the following structures is characterized by free entry and exit, a differentiated product, and price searcher behavior?
|
|
C) |
Monopolistic competition. | |
Monopolistic competition is another name for competitive price-searcher markets. There are a large number of independent sellers, each produces a differentiated product, each market has a low barrier to entry, and each producer faces a downward sloping demand curve.
作者: honeycfa 时间: 2010-4-17 09:37
Which one of the following is NOT a characteristic of monopolistic competition?
A) |
Low barriers to entry and exit. | |
|
C) |
Differentiated products. | |
There are many sellers or producers who sell differentiated products that permit firms to attract customers without reducing price; and there are low barriers to entry.
作者: honeycfa 时间: 2010-4-17 09:38
Characteristics of monopolistic competition include all of the following EXCEPT:
A) |
large numbers of independent sellers. | |
B) |
differentiated products. | |
C) |
high barriers to entry. | |
Monopolistic competition has low barriers to entry.
作者: honeycfa 时间: 2010-4-17 09:38
An oligopolistic firm:
A) |
will consider the potential response of its rivals when making business decisions. | |
B) |
is likely to be formed when the minimum-cost output is only a small portion of the market output. | |
C) |
will seldom use product quality as a competitive weapon. | |
Oligopolists are highly dependent upon the actions of their rivals when making business decisions. Price determination in the auto industry is a good example. Automakers tend to play "follow the leader" and announce price increases in close synchronization. They are not working explicitly together, but the actions of one producer have a large impact on the others when products are differentiated, quality may be a competitive strategy.
作者: honeycfa 时间: 2010-4-17 09:38
An oligopolistic industry does NOT have:
A) |
high barriers to entry. | |
|
C) |
large economies of scale. | |
An oligopolistic industry has a few sellers with large economies of scale, a great deal of interdependence among firms, and high barriers to entry.
作者: honeycfa 时间: 2010-4-17 09:38
Which of the following is NOT a characteristic of an oligopoly?
A) |
Products can either be similar or differentiated. | |
B) |
There are few sellers. | |
C) |
Relatively small economies of scale. | |
Oligopolies have large economies of scale and interdependence among competitors.
作者: honeycfa 时间: 2010-4-17 09:39
Assume that the market for paper supplies and the market for toothpicks have the following characteristics:
The Market for Paper Supplies is comprised of:
The Market for Toothpicks is comprised of:
The Papyrus Company operates in the market for paper supplies and Wudden Floss operates in the toothpick market. The sales managers for both companies want to know how a change in price will affect the quantity sold.
Which of the following choices best completes the following sentence? If both firms increase prices, the quantity sold by Papyrus Company will:
A) |
decrease, and Wudden Floss will sell nothing. | |
B) |
increase, and the quantity sold by Wudden Floss will decrease. | |
C) |
decrease, and so will the quantity sold by Wudden Floss. | |
Papyrus Company is an example of a price searcher engaged in monopolistic competition (low barriers to entry). Thus, the company faces a downward sloping demand curve and highly elastic demand. An increase in price will result in fewer units sold. Wudden Floss is an example of a price taker operating in a purely competitive market. Thus, the firm faces a horizontal demand curve and perfectly elastic demand. An increase in price will result in no units sold. In a purely competitive market, the firm must take the market price.
作者: honeycfa 时间: 2010-4-17 09:39
Which of the following is most likely to be considered a characteristic of an oligopolistic industry?
A) |
Few barriers to entry. | |
|
C) |
A great deal of interdependence among firms. | |
An oligopolistic industry has a great deal of interdependence among firms. One firm’s pricing decisions or advertising activities will affect the other firms' demand curves.
作者: honeycfa 时间: 2010-4-17 09:39
Consider the following statements:
Statement 1: “When oligopoly firms cheat on price fixing agreements, the resulting price and output quantity approaches that of perfect competition.”
Statement 2: “Monopolistic competition is inefficient because a large deadweight loss from advertising and marketing costs is a characteristic of this form of competition.”
With respect to these statements:
The efficiency of monopolistic competition is not clear. While increased opportunity cost is associated with the intensive marketing and advertising activities that are characteristic of monopolistic competition, consumers definitely benefit from these selling activities because they receive information that often enables them to make better purchasing decisions. Hence the advertising and marketing costs may be more than the efficient amount, but do not represent a deadweight loss.
作者: honeycfa 时间: 2010-4-17 09:40
Statement 1: “The kinked demand curve model of oligopoly assumes that a decrease in price will not be followed by other firms in the industry, but a price increase will.”
Statement 2: “Firms in monopolistic competition have high advertising expenses because they want to create the perception that their product is different from their competitors’ products when the competing products are actually quite similar.”
With respect to these statements:
Statement 1 is incorrect because the kinked demand curve model contends that each firm in oligopoly competition believes that an increase (not decrease) in its price will not be followed by the competition, but a decrease (not increase) in price will. Each firm believes that it faces a demand curve that is more elastic (flatter) above a given price, i.e., the kink, than it is below the given price.
作者: honeycfa 时间: 2010-4-17 09:40
If a market features differentiated products but has low barriers to entry, in long-run equilibrium the firms in the market will earn:
A) |
substantial economic losses. | |
B) |
substantial economic profits. | |
C) |
zero economic profits. | |
Low barriers to entry suggest free entry and exit, which implies zero economic profits in the long run.
作者: honeycfa 时间: 2010-4-17 09:40
Assume that a firm in an oligopoly market believes the demand curve for its product is more elastic above a specific price than below this price. This belief is most closely associated with which of the following models?
|
|
C) |
Variable elasticity model. | |
The kinked demand model assumes that each firm in a market believes that at some price, demand is more elastic in respect to price increases than it is to price decreases.
作者: honeycfa 时间: 2010-4-17 09:40
Firms in perfectly competitive markets and firms operating in a market characterized by monopolistic competition have several things in common. Which of the following is least likely one of them? Both:
A) |
face perfectly elastic demand curves. | |
B) |
operate in markets that have low or no barriers to entry. | |
C) |
maximize economic profit. | |
The only item listed in the question that monopolistic competition and pure competition do not have in common is a perfectly elastic demand curve. Under pure competition, producers face a perfectly elastic demand curve, whereas price searchers face downward sloping demand curves.
作者: honeycfa 时间: 2010-4-17 09:41
Which of the following regarding monopolistic competition is most accurate?
A) |
Zero barriers to entry and exit exist. | |
B) |
Each firm produces a differentiated product. | |
C) |
There are very few independent sellers. | |
Other characteristics of monopolistic competition (also known as competitive price searcher markets) are: a large number of independent sellers, low barriers to entry, and an elastic downward sloping demand curve.
作者: honeycfa 时间: 2010-4-17 09:41
The demand curves faced by monopolistic competitors is:
A) |
elastic due to the availability of many close substitutes. | |
B) |
not sensitive to price due to absence of close substitutes. | |
C) |
inelastic due to the availability of many complementary goods. | |
The demand for products from monopolistic competitors is elastic due to the availability of many close substitutes. If a firm increases its product price, it will lose customers to firms selling substitute products.
作者: honeycfa 时间: 2010-4-17 09:41
Monopolistic competition differs from pure monopoly in that:
A) |
barriers to entry are high under monopoly, but low under monopolistic competition. | |
B) |
monopolists maximize profit; monopolistic competitors do not. | |
C) |
monopolistic competitors are price takers, monopolists are not. | |
Monopolistic competition is characterized by the low barriers to enter its competitive markets. In contrast, a monopoly exists only where there are high barriers to market entry.
作者: honeycfa 时间: 2010-4-17 09:41
Under which type of market structure are the production and pricing alternatives of a firm most affected by the decisions of its competitors?
|
B) |
Monopolistic competition. | |
|
An oligopoly market structure is characterized by a small number of firms producing similar or differentiated products, with a high degree of interdependence among competitors. Each firm’s optimal price and output are strongly affected by the pricing and output decisions of its competitors.
作者: honeycfa 时间: 2010-4-17 09:42
Characteristics of an oligopoly least likely include:
A) |
interdependence among competitors. | |
B) |
significant barriers to entry. | |
|
In an oligopoly, a small number of producers sell products that can be similar or differentiated. An oligopoly typically features significant barriers to entry including economies of scale. Pricing and output decisions by each firm directly influence the decisions of competing firms.
作者: honeycfa 时间: 2010-4-17 09:42
The type of economic market that features a large number of competitors offering differentiated products is best characterized as:
|
|
C) |
monopolistic competition. | |
Monopolistic competition is used to describe markets where there are a large number of competitors producing differentiated products.
In perfect competition all firms produce identical products. In an oligopoly there is a small number of firms.
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