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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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AGGREGATE DEMAND AND MARKET DEMAND The aggregate demand curve, or AD curve, has similarities to, but differences from, the standard market demand curve. Both are negatively sloped. Both relate price and quantity. However, the market demand curve is negatively sloped because of the income and substitution effects and the aggregate demand curve is negatively sloped because of the real-balance, interest-rate, and net-export effects.
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GRAY SKITTERY
[What's This?]
Today, you are likely to spend a great deal of time flipping through the yellow pages looking to buy either a T-shirt commemorating next Thursday or a birthday gift for your uncle. Be on the lookout for jovial bank tellers.
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In the Middle Ages, pepper was used for bartering, and it was often more valuable and stable in value than gold.
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"Managing intellectual assets has become the single most important task of business. " -- Thomas Stewart, author
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WTO
World Trade Organization
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