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OPEC: The common abbreviation for the Organization of Petroleum Exporting Countries, which is an international organization of more than a dozen nations located primarily in the Middle East, Africa, and Central America that controls a sizeable portion of the world's petroleum reserves. This control over oil reserves gives OPEC significant market control, which it has been inclined to exert from time to time. The most noted time was the 1970s. OPEC raised oil prices from a scant $2 to $3 a barrel in the early 1970s to over $30 a barrel by the end of the decade. As an group of independent oil-producing nations seeking to monopolize the market, OPEC represents a textbook example of an cartel.
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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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BLUE PLACIDOLA
[What's This?]
Today, you are likely to spend a great deal of time lost in your local discount super center trying to buy either a set of luggage without wheels or a how-to book on wine tasting. Be on the lookout for defective microphones.
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This isn't me! What am I?
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Mark Twain said "I wonder how much it would take to buy soap buble if there was only one in the world."
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"Work is an extension of personality. It is achievement. It is one of the ways in which a person defines himself, measures his worth ‚ and his humanity. " -- Peter Drucker, author
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EGARCH
Exponential Generalized Autoregressive Conditional Heteroskedasticity
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