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wrote...
Posts: 3218
3 years ago
The table below shows the sales of the firms in an industry.  Based on this table, calculate the industry's four-firm concentration ratio.

Firm   Firm's Sales
A   100
B   70
C   90
D   20
E   60
F   80
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wrote...
Top Poster
Posts: 3218
3 years ago
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  The four-firm concentration ratio = (sales of 4 largest firms/total industry sales) * 100.
The four largest firms are A, B, C, and F.  The ratio = [(100 + 70 + 90 + 80)/(100 + 70 + 90 + 20 + 60 + 80)]*100 = 80.95.
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2 years ago
Incredible!
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2 years ago
Yup, vote with confidence!
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