The four-firm concentration ratio
A. indicates the total profitability among the top four firms in an industry.
B. is an indicator of the degree of monopolistic competition.
C. indicates the presence and intensity of an oligopoly market.
D. is used by the government as a basis for anti-trust cases.
Answer:A
The four-firm concentration ratio
A. indicates the total profitability among the top four firms in an industry. B. is an indicator of the degree of monopolistic competition. C. indicates the presence and intensity of an oligopoly market. D. is used by the government as a basis for anti-trust cases.