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INDEX: A measure of the relative average of a group of items compared to a given base value. Index measures are commonly used in economics to combine and compare diverse measures. One common type of index measure is for prices, such as the Consumer Price Index and the Dow Jones Industrial Average of corporate stock prices. Another noted type of index measure is to track macroeconomic activity, especially the index leading economic indicators. Indexes are usually weighted averages rather than simple arithmetic means that are measured relative to a base value or period. The Consumer Price Index, for example, measures the prices of consumer good, weighted by the quantities purchased. The value of a given period is then stated relative to a base year value, which generates a pure, "unitless" number in the range of 100 (give or take).
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MARGINAL UTILITY The additional utility obtained from the consumption or use of an additional unit of a good. It is specified as the change in total utility divided by the change in quantity. Marginal utility indicates what each additional unit of a good is worth to a consumer and provides a theoretical basis for understanding market demand and the law of demand. Marginal utility generally declines with increased consumption of a good, a reflection of the law of diminishing marginal utility.
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PURPLE SMARPHIN
[What's This?]
Today, you are likely to spend a great deal of time surfing the Internet hoping to buy either a cell phone case or a pair of designer sunglasses. Be on the lookout for empty parking spaces that appear to be near the entrance to a store.
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General Electric is the only stock from the original 1896 Dow Jones Industrial Average remaining in the current index.
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"Kites rise highest against the wind, not with it. " -- Winston Churchill, British prime minister
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OCC
Office of the Comptroller of the Currency
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