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HEDGING: Buying or selling futures contracts to protect against price changes. This is a common form of "insurance" used by those who produce various commodities, such as wheat, cattle, coffee, and natural gas, as well as those who buy these commodities as inputs.
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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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WHITE GULLIBON
[What's This?]
Today, you are likely to spend a great deal of time flipping through the yellow pages hoping to buy either a computer that can play video games and burn DVDs or a black duffle bag with velcro closures. Be on the lookout for mail order catalogs with hidden messages.
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This isn't me! What am I?
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More money is spent on gardening than on any other hobby.
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"If you are neutral in situations of injustice, you have chosen the side of the oppressor. If an elephant has its foot on the tail of a mouse and you say that you are neutral, the mouse will not appreciate your neutrality." -- Desmond Tutu, activist
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AIC
Akaike's Information Criterion
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