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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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OLIGOPOLY, CONCENTRATION Oligopoly is a market structure that contains a small number of relatively large firms, meaning oligopoly markets tend to be concentrated. A small number of large firms account for a majority of total output. Concentration unto itself is not necessarily bad, but it often leads to inefficient behavior, such as collusion and nonprice competition. Concentration is measured in three ways--market share, concentration ratio, Herfindahl index.
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GREEN LOGIGUIN
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Today, you are likely to spend a great deal of time at a dollar discount store trying to buy either storage boxes for your computer software CDs or a set of tires. Be on the lookout for spoiled cheese hiding under your bed hatching conspiracies against humanity.
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The penny is the only coin minted by the U.S. government in which the "face" on the head looks to the right. All others face left.
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"Anyone who has never made a mistake has never tried anything new. " -- Albert Einstein, physicist
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NASD
National Association of Securities Dealers
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