Exploring Economics
8th Edition
ISBN: 9781544336329
Author: Robert L. Sexton
Publisher: SAGE Publications, Inc
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Chapter 15, Problem 9P
To determine
(a)
To compute:
The Herfindahl-Hirschman Index (HHI) for the given situation.
To determine
(b)
To compute:
The Herfindahl-Hirschman Index (HHI) for the given situation.
To determine
(c)
To compute:
The Herfindahl-Hirschman Index (HHI) for the given situation.
To determine
(d)
To compute:
The Herfindahl-Hirschman Index (HHI) for the given situation.
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What is the, HHI, Herfindahl-Hirschman Index for an industry where six companies each have a market share of 15% and one company which has a market share of 10%?
What would the Herfindahl-Hirschman Index (HHI) be in each of the following situations?
1 firm with a monopoly in the market
You are the manager in a market composed of eight firms, each of which has a 12.5 percent market share. In addition, each firm has a strong financial position and is located within a 100-mile radius of its competitors.
a. Calculate the premerger Herfindahl-Hirschman index (HHI) for this market.
b. Suppose that any two of these firms merge. What is the postmerger HHI?
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- Firm Market Share (%) A 30 B 29 C 16 D 12 E 7 F 6 Refer to the data. Suppose that firms A and F merged into a single firm. The four-firm concentration ratio and the Herfindahl index would be Multiple Choicearrow_forwardSuppose 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 Departmentarrow_forwardQ1: What is the, HHI, Herfindahl-Hirschman Index for an industry where six companies each have a market share of 15% and one company which has a market share of 10%? Q2:About fifty years ago, the EPA, Environmental Protection Agency, embraced command and control laws. Later on, the EPA made adjustments and updates. These laws and their adjustments, a/ draws distinctions between the needs of firms and costly equipment upgrades. b/ are given considerable credit for cleaner air and water in recent decades. c/ were an inexpensive incentive for industrial polluters to improve performance. d/ were necessary as US industries had zero incentive to control pollution.arrow_forward
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- Firm Market Share (%) A 20 B 20 C 20 D 20 E 10 F 10 Refer to the data. If all the firms in the industry merged into a single firm, the Herfindahl index would become Group of answer choices 100. 1,000. 10,000. 100,000.arrow_forwardSuppose, Pfizer Company is the only company allowed by the Sultanate government to sell COVID vaccine in Oman. According to you, what type of market Pfizer Company is having in Oman? a. Monopoly market b. Monopolistic market c. Competitive market d. Oligopoly marketarrow_forwardSuppose 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% Calculate the concentration ratio CR4 and the concentration ratio CR8 for 2008 and 2013 Calculate the Herfindahl-Hirschmann Index (HHI) for 2008 and 2013 Using the CR4, CR8, and HHI, analyze the evolution of the seller concentration in the industry. Has the industry become more or less concentrated? Using the CR4, CR8, and HHI, analyze the evolution of the potential market power of firms in the industry.arrow_forward
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