Which of the Following Statements Is Not True

Multiple Choice

Which of the following statements is not true?

A) Oligopolies usually have few firms each with some significant degree of market power.
B) Only a small percentage of industries have four-firm concentration ratios above 85 percent.
C) Market price is related to the concentration ratio.
D) The United States is becoming more oligopolistic.
E) Karl Marx believed the United States was becoming more oligopolistic.