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A: The common notation for the "intercept" term of an equation specified as Y = a + bX. Mathematically, the a-intercept term indicates the value of the Y variable when the value of the X variable is equal to zero. Theoretically, the a-intercept is frequently used to indicate exogenous or independent influences on the Y variable, that is, influences that are independent of the X variable. For example, if Y represents consumption and X represents national income, a measures autonomous consumption expenditures.

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MARKET STRUCTURES

The manner in which markets or industries are organized, based largely on the number of participants in the market or industry and the extent of market control of each participant. Perfect competition represents the benchmark market structure that contains a large number of participants on both sides of the market, and no market control by any firm. Three market structure models with varying degrees of market control on the supply side of the market are: monopoly, monopolistic competition, and oligopoly. Three lesser known market structures with varying degrees of market control on the demand side of the market are: monopsony, oligopsony, and monopsonistic competition.

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BEIGE MUNDORTLE
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Today, you are likely to spend a great deal of time at an auction wanting to buy either a pair of blue silicon oven mitts or a coffee cup commemorating the 2000 Olympics. Be on the lookout for mail order catalogs with hidden messages.
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The average length of a "business lunch" is about 36 minutes.
"If you are going to achieve excellence in big things, you develop the habit in little matters. Excellence is not an exception, it is a prevailing attitude. "

-- Colin Powell, general

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