Which of the Following Statements Pertains to the Four-Firm Concentration

question 121

Multiple Choice

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

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