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CHANGE IN SUPPLY: A shift of the supply curve caused by a change in one of the supply determinants. In essence, a change in supply is caused by any factor affecting supply EXCEPT price. This concept should be contrasted directly with a change in quantity supplied. You should also review the terms change in quantity demanded and change in demand, too. A change in supply is a change in ALL supply price-quantity supplied pairs, meaning that each price is matched up with a different quantity (which is illustrated as a shift of the supply curve). And this change in supply is caused by a change in any of the supply determinants. In contrast, a change in quantity supplied is a change from one price-quantity pair to the another (which is illustrated as a movement along a given supply curve).
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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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PINK FADFLY
[What's This?]
Today, you are likely to spend a great deal of time surfing the Internet trying to buy either one of those memory foam pillows or a remote controlled train set. Be on the lookout for slightly overweight pizza delivery guys.
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Lombard Street is London's equivalent of New York's Wall Street.
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"The mediocre teacher tells. The good teacher explains. The superior teacher demonstrates. The great teacher inspires." -- William Ward ‚ Texas Wesleyan University Administrator
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AAXICO
American Air Export and Import Company
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