econ 42

One of the basic differences between social and economic regulations is that

There is no incentive for additional producers of an information product to enter the industry when the price charged for these products by each firm already in the industry is equal to

In which market structure will a firm refuse to shut down when price is less than average
variable cost?

A firm typically achieves its position as a monopolist as a result of

For years, your neighbor insisted she had no desire to own a computer. Recently, however, she purchased one and says she did so because all her relatives have computers and she wants to exchange e-mail with them. Your neighbor's behavior is an example of

In equilibrium, which of the following conditions is common to both unregulated monopoly and pure competition?

Behavior on the part of the firm that allows it to comply with the letter of the law but violate the spirit reducing the law's effect is

For a firm to be able to price discriminate it must

As the definition of products narrows (i.e., becomes more specific), the concentration ratio

Establishing different prices for similar products to reflect differences in marginal cost in providing those goods to different groups of buyers is

The industry concentration ratio measures the

The prisoners' dilemma is a game in which

Suppose an industry has total sales of $25 million per year. The two largest firms have sales of $6 million each, the third largest firm has sales of $2 million, and the fourth largest firm has sales of $1 million. The four-firm concentration ratio for this industry is

Price leadership (parallel pricing) occurs when

A simple way of describing the social cost of monopoly is to say that it

In a monopolistically competitive market there are

When a monopolist sells the same product at different prices and the prices are not related to cost differences, we have

Compared to a perfectly competitive firm, in a long run the monopolistically competitive firm
will have

An example of tacit collusion is

Which of the following is not true about a comparison between a perfectly competitive firm and a monopolistically competitive firm?

Suppose two firms are in a game situation and they each must decide on a strategy regarding whether to select a high price or a low price. Profits for a firm are highest when it selects a low price while the other selects a high price; profits are lowest if one selects a high price while the other selects a low price; and profits are in between when both select low prices; and profits are slightly higher when both select high prices. In the absence of collusion we expect

Switching costs refer to

The advertisement approach that allows a consumer to follow up directly to an advertising message is known as

Which of the following statements is true?