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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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CARDINAL UTILITY The notion that utility--the satisfaction of wants and needs achieved through the consumption of goods and services--can be measured with numerical values (1, 2, 3, etc.) that are based on a benchmark scale. Cardinal utility presumes that satisfaction is a measurable characteristic of a person, like height or weight. The contrasting notion is ordinal utility, which is based on a ranking of preferences.
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PURPLE SMARPHIN [What's This?]
Today, you are likely to spend a great deal of time watching infomercials trying to buy either a wall poster commemorating last Friday (you know why) or a country wreathe. Be on the lookout for spoiled cheese hiding under your bed hatching conspiracies against humanity. Your Complete Scope
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Two and a half gallons of oil are needed to produce one automobile tire.
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"I don't subscribe to the thesis, 'Let the buyer beware,' I prefer the disregarded one that goes, 'Let the seller be honest.'" -- Isaac Asimov, Author
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AEA American Economic Association
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