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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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ECONOMICS A social science that studies the allocation of limited resources used to produce the goods and services that satisfy unlimited consumer wants and needs. Economics is one of several social sciences (others are sociology, political science, and anthropology) which applies the scientific method to human behavior. The distinguishing feature of economics is a concern with the fundamental problem of scarcity--unlimited wants and needs and limited resources. Economics is commonly divided into two branches--macroeconomics and microeconomics.
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Woodrow Wilson's portrait adorned the $100,000 bill that was removed from circulation in 1929. Woodrow Wilson was removed from circulation in 1924.
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"No great performance ever came from holding back. " -- Don Greene, motivational coach, former Green Beret
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ATM
Automated Teller Machine
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