ECONOMICS-W/MYECONLAB
7th Edition
ISBN: 9780134833125
Author: Hubbard
Publisher: PEARSON
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Chapter 14, Problem 14.4.6PA
To determine
Determinant of firms successful.
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Suppose an industry that has 10 firms. Below are the market shares for 2008 and 2013 of the 10 firms.
Market Share
Firms
2008
2013
A
B
C
D
E
F
G
H
I
G
26%
21%
16%
10%
9%
7%
4%
3%
2%
2%
22%
23%
19%
9%
8%
7%
6%
4%
1%
1%
Using the CR4, CR8, and HHI, analyze the evolution of the potential market power of firms in the industry.
Unsure which is the correct answers
Suppose that three firms make up the entire wig manufacturing industry. One has a 50% market share, and the other two have a 25% market share each.
The Herfindahl index of this industry is a. 3,750
b. 1,000
c. 10,000
d. 5,000
e. 2,500
Mane Attraction, one of the firms with a 25% market share in the wig manufacturing industry, leaves the market. This would cause the Herfindahl index for the industry to __--
a. remain the same
b. fall
c. rise
The largest possible value of the Herfindahl index is 10,000 because:
a. an index of 10,000 corresponds to 100 firms with a 1% market share each
b. an index of 10,000 corresponds to a monopoly firm with 100% market share
c. an industry with an index higher than 10,000 is automatically regulated by the Justice
Department
Some politicians (and others) have suggested that the largest U.S. tech firms have monopolies and need to be broken up.
Comment on what such breakup(s) would do to the industry that these firms are competing in. For example, the intensity of rivalry would increase, but what else would happen to the industry?
How could breaking up their industry be good for industry incumbents, i.e., those companies in the industry that’s being broken up?
Chapter 14 Solutions
ECONOMICS-W/MYECONLAB
Ch. 14 - Prob. 14.1.1RQCh. 14 - Prob. 14.1.2RQCh. 14 - Prob. 14.1.3RQCh. 14 - Prob. 14.1.4PACh. 14 - Prob. 14.1.5PACh. 14 - Prob. 14.1.6PACh. 14 - Prob. 14.1.7PACh. 14 - Prob. 14.1.8PACh. 14 - Prob. 14.1.9PACh. 14 - Prob. 14.1.10PA
Ch. 14 - Prob. 14.2.1RQCh. 14 - Prob. 14.2.2RQCh. 14 - Prob. 14.2.3RQCh. 14 - Prob. 14.2.4RQCh. 14 - Prob. 14.2.5PACh. 14 - Prob. 14.2.6PACh. 14 - Prob. 14.2.7PACh. 14 - Prob. 14.2.8PACh. 14 - Prob. 14.2.9PACh. 14 - Prob. 14.2.10PACh. 14 - Prob. 14.2.11PACh. 14 - Prob. 14.2.12PACh. 14 - Prob. 14.2.13PACh. 14 - Prob. 14.2.14PACh. 14 - Prob. 14.2.15PACh. 14 - Prob. 14.2.16PACh. 14 - Prob. 14.2.17PACh. 14 - Prob. 14.2.18PACh. 14 - Prob. 14.3.1RQCh. 14 - Prob. 14.3.2RQCh. 14 - Prob. 14.3.3PACh. 14 - Prob. 14.3.4PACh. 14 - Prob. 14.3.5PACh. 14 - Prob. 14.3.6PACh. 14 - Prob. 14.4.1RQCh. 14 - Prob. 14.4.2RQCh. 14 - Prob. 14.4.3PACh. 14 - Prob. 14.4.4PACh. 14 - Prob. 14.4.5PACh. 14 - Prob. 14.4.6PACh. 14 - Prob. 14.4.7PACh. 14 - Prob. 14.4.8PACh. 14 - Prob. 14.2CTECh. 14 - Prob. 14.3CTE
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