Which of the following countries receives the largest share of U.S. exports?

Which of the following statements pertains to the four-firm concentration ratio? I. It is the percentage of the value of sales accounted for by the four largest firms in an industry. II

A high concentration ratio is indicative of a high degree of competition. III. The ratio is used to measure product differentiation. A) I only B) I, II only C) I, III only D) I, II, and III

China has few state-owned enterprises left in its economy

Indicate whether the statement is true or false