What is the eight-firm concentration ratio

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Suppose that the distribution of sales within an industry is as shown in the table.

Firm           Share of Total Market Sales

A                 25

B                 20

C                 15

D                 14

E                   8

F                   6

G                  5

H                  5

I                    2

Total           100%

a) What is the four-firm concentration ratio for this industry? ___74%_

b) What is the eight-firm concentration ratio for this industry? _____98%

Reference no: EM13178756

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