Suppose that a company based in Dallas, Texas, initially confronts only four other rival firms. Its own market share is percen
t, which ties it with the other largest producer and seller in the industry. The market share of each of the other three firms is percent. Then a sixth firm, located in Cleveland, Ohio, enters the same industry. The new firm captures percent market share, and the market share of one of the smallest three original incumbents declines to percent as well. After the Cleveland firm's entry into the industry, what are the values of the four-firm concentration ratio and of the Herfindahl-Hirschman index?
1 answer:
Answer:
1. 86.7%
2. 2244.4
Explanation:
The computation is shown below:
1. The new 4 firm concentration ratio after entry is
= Total mix share of 4 largest firms
= 30% + 30% + 13.33% + 13.33%
= 86.7%
2. Now HHI index is
= sum of squared shares
= 30^2 + 30^2 + 13.33^2 + 13.33^2 + 6.67^2 + 6.67^2
= 2244.4
Hence, we applied the above values so that each part could be determined
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