The U.S. Postal Service has a monopoly over first-class mail delivery
a. because of economies of scale
b. because of its control of essential resources
c. because of its control over key patents
d. because of government-imposed barriers to entry
e. despite its very low fixed costs
Question 2
Which of the following U.S. antitrust laws prohibits mergers through the acquisition of a firm's stock if the merger would lessen competition?
a. the Sherman Antitrust Act
b. the Clayton Act
c. the Robinson-Patman Act
d. the Celler-Kefauver Anti-Merger Act
e. the Federal Trade Commission Act