The table below shows the market shares for the only firms in a domestic cement market. TABLE 11-1
-Refer to Table 11-1. The four-firm concentration ratio in this industry is

Question

The table below shows the market shares for the only firms in a domestic cement market.  TABLE 11-1
-Refer to Table 11-1. The four-firm concentration ratio in this industry is

Quizplus · Accepted Answer

The four-firm concentration ratio is the sum of the market shares of the top 4 firms in the industry. In this case, the sum of the market shares for firms A, B, C, and D is 85, which is the answer choice C.

The Table Below Shows the Market Shares for the Only