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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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SIMPLE TAX MULTIPLIER A measure of the change in aggregate production caused by changes in a government taxes that shocks the macroeconomy, when consumption is the ONLY induced expenditure. The simple tax multiplier is the negative marginal propensity to consume times the inverse of one minus the marginal propensity to consume. A related multiplier is the simple expenditures multiplier, which measures the change in aggregate production caused by changes in an autonomous expenditure.
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PURPLE SMARPHIN
[What's This?]
Today, you are likely to spend a great deal of time waiting for visits from door-to-door solicitors hoping to buy either several magazines on computer software or a T-shirt commemorating the second moon landing. Be on the lookout for poorly written technical manuals.
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Lombard Street is London's equivalent of New York's Wall Street.
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"We succeed in enterprises (that) demand the positive qualities we possess, but we excel in those (that) can also make use of our defects." -- Alexis de Tocqueville, Statesman
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DARA
Decreasing Absolute Risk Aversion
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