QUESTION: Which firm is the oligopolist?

a. Firm A is in retail. It is one of the largest and most popular clothing stores in the country. It also competes with many rivals and faces intense price competition.

b. Firm B is in the auto rental business. It is not the nation’s largest rental company, but significant barriers to entry enable it to serve customers across the United States more conveniently and at a lower price than local rivals.

c. Firm C is a restaurant in a small, isolated community. It is the only local eatery.

People drive from miles away to eat there.