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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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PRIVATE GOODS Goods characterized by rival consumption and the ability to exclude nonpayers. Private goods are one of four types of goods differentiated by consumption rivalry and nonpayer excludability. The other three goods are public (nonrival consumption and nonpayers cannot be excluded), common-property (rival consumption and nonpayers cannot be excluded), and near-public (nonrival consumption and nonpayers can be excluded). Rival consumption and the ease of excluding of nonpayers means private goods can be efficiently exchanged through markets.
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GREEN LOGIGUIN
[What's This?]
Today, you are likely to spend a great deal of time strolling around a discount warehouse buying club looking to buy either a green fountain pen or a handcrafted bird house. Be on the lookout for broken fingernail clippers.
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Francis Bacon (1561-1626), a champion of the scientific method, died when he caught a severe cold while attempting to preserve a chicken by filling it with snow.
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"The secret of getting things done is to act! " -- Dante Alighieri, poet
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JLEO
Journal of Law, Economics and Organization
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