The concentration ratio for an oligopoly is
A) Under 40 percent.
B) Over 60 percent.
C) 90 percent.
D) 100 percent.

Question

Quizplus · Accepted Answer

The concentration ratio for an oligopoly is generally over 60 percent, meaning a few large firms dominate the market. A concentration ratio of 100 percent would indicate a monopoly, which is rare in practice. A concentration ratio under 40 percent would indicate a competitive market.

The Concentration Ratio for an Oligopoly Is