Exam 26: Oligopoly and Strategic Behavior

Suppose there are four firms in an industry. The market shares of the four firms are 5 percent, 20 percent, 35 percent, and 40 percent. The Herfindahl-Hirschman index for that industry is

Which of the following is NOT true about a cartel?

In a two-sided market with network effects, the platform will likely

An oligopoly is a market situation in which

The industry concentration ratio measures the

All of the following are true regarding oligopoly EXCEPT

-Refer to the above figure. The figure gives the payoff matrix for two individuals who are being accused of robbing a bank together. If Bob confesses, what is the best strategy for Harry?

The market structure of monopolistic competition exists when

One of the strongest reasons that oligopolies exist is due to

Vertical merger occurs when

The measurement of industry concentration which calculates the percentage of all sales contributed by a specific number of leading firms is called the

Economies of scale

A game in which any gains one player makes are offset by equal losses by another player is known as a

In oligopoly, any action by one firm to change price, output, or quality causes

If Apple, a company that produces smartphones, purchases a company that specializes in developing phone apps, we would have an example of

Refer to the above payoff matrix for the profits (in $ millions) of two firms (A and B) and two pricing strategies (high and low). Which of the following is the outcome of the dominant strategy without cooperation?

Which of the following is a characteristic of oligopoly?

The situation of oligopoly suggests

When a falloff in usage of a product by some consumers causes others to stop purchasing the item there is

Positive market feedback refers to a tendency for