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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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DERIVATION, AGGREGATE EXPENDITURES LINE An aggregate expenditures line, a graphical depiction of the relation between aggregate expenditures and the level of aggregate income or production, can be derived by sequentially adding expenditures by the four macroeconomic sectors (household, business, government, and foreign). This derivation process begins with the consumption line, then adds investment, government purchases, and finally net exports. The process actually generates three alternative aggregate expenditures lines based on the number of sectors included (two sector, three sector, and four sector).
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WHITE GULLIBON
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Today, you are likely to spend a great deal of time strolling around a discount warehouse buying club looking to buy either income tax software or a how-to book on the art of negotiation. Be on the lookout for slow moving vehicles with darkened windows.
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In the early 1900s around 300 automobile companies operated in the United States.
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"Even a mistake may turn out to be the one thing necessary to a worthwhile achievement." -- Henry Ford
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D
Demand
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