This despite the fact the Herfindahl-Hirschman Index, a measure of industry concentration, has soared from 2200 to 2800.
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The index comprises four weighted measures: 50% STEM occupation growth, 25% technology industry growth, 12.5% STEM occupation concentration, and 12.5% technology industry concentration.
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The Government Accountability Office, the investigative arm of Congress, periodically raises concerns about audit-industry concentration and suggests ways to boost growth of smaller firms.
Even with the heavy industry concentration, recent waves of fare increases, baggage fees, food fees, legroom fees, their still seems to always be a question of profitability.
This conventional view of the dangers of industry concentration is supported by Joseph Bauer, an antitrust expert at the University of Notre Dame who co-wrote a leading textbook on the topic.
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Potentially offsetting the diversification benefits is industry concentration.
And while the DOJ makes much of the Herfindahl-Hirschman Index, a measure of industry concentration that would leap if the merger goes through, a court victory will depend mostly on whose experts are more convincing.
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While the industry is seeing the number of dairy farms contract, the number of animals per herd is increasing, indicating a concentration of the industry as fewer, larger units develop.
Could the concentration of the industry be tackled directly, by breaking up the Big Four or by encouraging smaller firms to merge?
In a number of countries the degree of concentration in the industry was such that firms had few domestic takeover options that would not have incurred the wrath of the antitrust authorities.
Will regulators OK increased concentration in the industry?
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Of course Clear Channel's shareholders probably see nothing wrong with a little more concentration in the radio industry.
More important, many experts both inside and outside government now view the prosecution of Andersen as a mistake that worsened the concentration of the audit industry.
De Beer was one of several people I talked to at the show who have some concerns about both the concentration in the drive industry, which is down to basically two major players in Seagate and Western Digital, and the lack of geographic diversification in the supply chain, which is heavily weighted toward Thailand.
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"This amendment seeks to put specific restrictions on the ownership of Channel Five, which would create a concentration of power in any industry and in the communications industry it would constitute a threat to our democracy, " said Lord McNally.
And the concentration of so many firms working in the same industry is thought to spark creative ferment.
The beer industry praised the agency for acknowledging that labels should take into account variations in the concentration of alcohol content in different products.
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