The four-firm concentration ratio tells us the percentage of ________ for the four largest firms in an industry.
A)employment
B)accounting profit
C)economic profit
D)the value of sales
E)physical output

Question

Quizplus · Accepted Answer

The four-firm concentration ratio measures the total value of sales for the four largest firms in an industry, and expresses it as a percentage of the total industry sales. This gives an indication of the degree of market power held by these four firms in the industry.

The Four-Firm Concentration Ratio Tells Us the Percentage of ________