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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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ADVERSE SELECTION An inefficient, bad, or adverse outcome of a market exchange that results because buyers and/or sellers make decisions based on asymmetric information. This commonly results in a market that exchanges a lesser quality good, what is termed the market for lemons. Two related problems resulting from asymmetric information are moral hazard and the principal-agent problem. Two methods of lessoning the problem of adverse selection are signalling and screening.
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PURPLE SMARPHIN
[What's This?]
Today, you are likely to spend a great deal of time calling an endless list of 800 numbers looking to buy either a weathervane with a horse on top or a case of blank recordable DVDs. Be on the lookout for malfunctioning pocket calculators.
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The 22.6% decline in stock prices on October 19, 1987 was larger than the infamous 12.8% decline on October 29, 1929.
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"My future starts when I wake up every morning . . . Every day I find something creative to do with my life. " -- Miles Davis, musician
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APR
Annual Percentage Rate
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