In: Economics
The chief operating officer of your company comes to you one morning with the following information about firms in your industry:
Firm Annual Sales (in millions of dollars)
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A $4,200
B 2,200
C 2,300
D 4,700
E 1,000
F 800
G 200
All other firms combined $4 million
a) The COO asks you to calculate the industry’s four-firm concentration ratio to discover whether or not the industry is competitive or concentrated. Calculate and show.
b) The next week, the COO hands you the following information about market share in a competing industry:
Firm Market Share (%)
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Z 20%
Y 10
X 10
W 9
V 9
U 9
T 8
25 other firms 1% each
The COO asks you to calculate the HHI for the entire industry (all firms) and whether this industry is competitive, moderately concentrated, or highly concentrated. Calculate and show.