Which of the following is best characterized as a public good?

The U.S. oil industry has only a few firms in it, so an economists is likely to describe the industry as

A) a monopoly. B) an oligopoly. C) perfectly competitive. D) monopolistically competitive. E) Both answers C and D can be correct.

The price and wage freeze imposed by President Nixon were totally successful in eliminating inflationary pressures in the United States

Indicate whether the statement is true or false