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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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IMPORTS Goods and services produced by the foreign sector and purchased by the domestic economy. In other words, imports are goods bought from countries. Imports are the counter to exports--goods produced by the domestic economy and purchased by the foreign sector. Imports, together with exports, are the essence of foreign trade--goods and services that are traded among the citizens of different nations. Imports and exports are frequently combined into a single term, net exports (exports minus imports).
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A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court!
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"If a man hasn't discovered something that he will die for, he isn't fit to live. " -- Martin Luther King Jr., clergyman
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PSID
Panel Study of Income Dynamics
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