Exam 13: Limiting Market Power: Regulation and Antitrust

Regulation began in the United States in the 1950s.

When a firm sues a competitor in an antitrust case, how may it be decided if the suit is an attempt to limit or reduce competition (rent seeking) instead of preventing a restraint of competition?

The federal government has the power to investigate and to try to block

What does the Herfindahl-Hirschman Index value near 10,000 imply about the market?

"Rate averaging" is only possible if

In the United States, price-fixing arrangements among firms are

Railroads have received significant attention from regulators because

If the four-firm concentration ratio in an industry increases, the industry

Some critics of antitrust are worried that some firms

Looking at the record of concentration in the United States during the last century, one finds concentration has

Regulatory agencies always protect consumers by forcing regulated firms to sell at the lowest possible price.

Economists believe mergers can sometimes achieve greater efficiency than two companies that do not merge.

"Cream skimming" usually results in

Compare the advantages and disadvantages of marginal and average cost pricing for natural monopolies.

If all large firms in the economy were broken into smaller firms, the result might be

Under a tying contract,

Universal service means that one company provides service to all consumers, everywhere.

Economies of scope are present when a bank also sells insurance and provides brokerage services for stocks and bonds.

One economically valid approach to regulation is simply to break all large firms into many smaller ones.

If an industry consists of five firms each with a 20% market share, then the Herfindahl-Hirschman index would equal 1,600.