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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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RETURNS TO SCALE Changes in production the occur when all resources are proportionately changed in the long run. Returns to scale come in three forms--increasing, decreasing, or constant based on whether the changes in production are proportionally more than, less than, or equal to the proportional changes in inputs. Returns to scale are the guiding principle for long-run production, playing a similar role that the law of diminishing marginal returns plays for short-run production.
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PINK FADFLY
[What's This?]
Today, you are likely to spend a great deal of time lost in your local discount super center looking to buy either a pleather CD case or a how-to book on fine dining. Be on the lookout for strangers with large satchels of used undergarments.
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Al Capone's business card said he was a used furniture dealer.
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"The difference between a successful person and others is not a lack of strength, not a lack of knowledge, but rather a lack of will. " -- Vince Lombardi
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RPI
Retail Price Index
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