Table 16-1
The following table shows the percentage of output supplied by the top eight firms in four different industries.

-Refer to Table 16-1.What is the concentration ratio in Industry X?
A) 6%
B) 44%
C) 90%
D) 99%

Question

Table 16-1
The following table shows the percentage of output supplied by the top eight firms in four different industries.
 
-Refer to Table 16-1.What is the concentration ratio in Industry X?
A) 6% 
B) 44% 
C) 90% 
D) 99%

Quizplus · Accepted Answer

The concentration ratio in Industry X is the sum of the percentage output supplied by the top four firms, which is 30%+30%+20%+10%=90%. Therefore, the correct answer is C.

Table 16-1 the Following Table Shows the Percentage of Output Supplied by Supplied