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OSHA: The abbreviation for Occupational Safety and Health Administration, which is an agency of the U. S. Department of Labor, established in 1970, that's charged with regulating workplace safety and job-related worker health. It has the authority to imposed health and safety rules and, much to the displeasure of businesses, inspect workplaces to ensure that the rules are followed. Some (second estate) critics argue of their rules are unneeded, overzealous, and counter-productive. Other (third estate) critics say that their rules are neither stringent enough nor adequately enforced.

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CONCENTRATION RATIOS

A family of measures of the proportion of total output in an industry that is produced by a given number of the largest firms in the industry. The two most common concentration ratios are for the four largest firms and the eight largest firms. The four-firm concentration ratio is the proportion of total output produced by the four largest firms in the industry and the eight-firm concentration ratio is proportion of total output produced by the eight largest firms in the industry. Concentration ratios are commonly used to indicate the degree to which an industry is oligopolistic and the extent of market control of the largest firms in the industry. A related measure is the Herfindahl index.

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PINK FADFLY
[What's This?]

Today, you are likely to spend a great deal of time at an auction hoping to buy either any book written by Stephan King or a T-shirt commemorating next Thursday. Be on the lookout for crowded shopping malls.
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A thousand years before metal coins were developed, clay tablet "checks" were used as money by the Babylonians.
"No man, for any considerable time, can wear one face to himself and another to the multitude without finally getting bewildered as to which may be true."

-- Nathanial Hawthorne, Author

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A nth-order Moving Average Process
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