Exam 18: Oligopoly

Collusion results when a group of firms I∙act separately to limit output, lower prices, and decrease economic profits. Ii∙act together to limit output, raise prices, and increase economic profits. Iii∙in the United States legally fix prices.

When economies of scale limit the number of firms in an industry to 3, there is a

The figure above shows the market for airplanes. -Suppose the airplane market is an oligopoly.According to the figure above, the quantity produced can range as high as ________ planes per week and as low as ________ planes per week.

Suppose the industry for washing machines has only four firms.The market shares are: Firm A, 40 percent; Firm B, 20 percent; Firm C 20, percent; and Firm D, 20 percent. a∙What is the Herfindahl-Hirschman Index (HHI)? b∙If Firms C and D were to announce a merger, would the Federal Trade Commission oppose the merger?

When oligopolies seek to operate as a single-price monopoly, the firms produce at the point where:

The first antitrust law in the United States was the

When firms in an oligopoly successfully collude and do not cheat on a cartel agreement, they can make a long-run economic profit similar to

The first antitrust act was ________ passed in ________.

For a duopoly, the smallest total quantity is produced when the duopoly achieves

-The above figure shows the market demand curve for long-distance land-based telephone calls.Suppose the marginal cost of a long-distance telephone call is 2¢ a minute for a call no matter how many minutes of calls are made and there are 3 firms in the industry.If the firms in the industry operate as a monopoly, there are ________ minutes of calls made per hour.

Imagine a duopoly in which two firms, A and B, produce the monopoly profit-maximizing output and equally share the economic profit.If firm A increases output,

Which antitrust law has two main provisions, one against conspiring with others to restrict competition and the other making it a felony to monopolize or attempt to monopolize?

Firms in an oligopoly I∙are independent of each others actions. Ii∙can each influence the market price. Iii∙ charge a price equal to marginal revenue.

The figure above shows the market for airplanes. -Suppose the airplane market is an oligopoly.If the firms act as a monopolist, the price will be ________ and if the firms act as competitors the price will be ________.

A cartel is a group of firms

The fact that firms in oligopoly are interdependent means that

Describe the characteristics of an oligopoly.

Tying arrangements

If Polka Cola prevents all of its retail outlets from selling any other competing soft drink, it is engaged in

"Because firms in an oligopoly are so large, they do not need to consider each others actions." Is the previous statement correct or incorrect? Explain your answer.