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AMERICAN ASSOCIATION FOR THE ADVANCEMENT OF SCIENCE: A scientific society whose main mission is to advance science and innovation throughout the world. The American Association for the Advancement of Science (AAAS for short) publishes one of the most respected scientific magazines called Science. The association and magazine have nearly 140,000 individual and institutional subscribers, plus 272 affiliated organizations in more than 130 countries, serving a total of 10 million individuals. The American Association for the Advancement of Science was founded in 1848 to represent all disciplines of science and to support scientific exchange and discussion of science and society issues.

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FOUR-FIRM CONCENTRATION RATIO

The proportion of total output in an industry produced by the four largest firms in an industry. This is one of two common concentration ratios. The other is the eight-firm concentration ratio. Another related measure is the Herfindahl index. The four-firm concentration ratio is commonly used to indicate the degree to which an industry is oligopolistic and the extent of market control held by the four largest firms in the industry.

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APLS

PURPLE SMARPHIN
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Today, you are likely to spend a great deal of time surfing the Internet looking to buy either a pleather CD case or a how-to book on fine dining. Be on the lookout for mail order catalogs with hidden messages.
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In 1914, Ford paid workers who were age 22 or older $5 per day -- double the average wage offered by other car factories.
"Courage is the ladder on which all the other virtues mount."

-- Claire Boothe Luce, diplomat, writer

COMECON
Council for Mutual Economic Assistance
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