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IMPORTS LINE: A graphical depiction of the relation between imports bought from the foreign sector and the domestic economy's aggregate level of income or production. This relation is most important for deriving the net exports line, which plays a minor, but growing role in the study of Keynesian economics. An imports line is characterized by vertical intercept, which indicates autonomous imports, and slope, which is the marginal propensity to import and indicates induced imports. The aggregate expenditures line used in Keynesian economics is derived by adding or stacking the net exports line, derived as the difference between the exports line and imports line, onto the consumption line, after adding investment expenditures and government purchases.
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SAY'S LAW A principle of classical economics developed the French economist Jean-Baptiste Say that is commonly summarized as "supply creates its own demand." This law, also referred to as Say's "theory of markets" or "law of markets," indicates that the act of producing aggregate output generates a sufficient amount of aggregate income to purchase all of the output produced. This principle indicated that excess production or insufficient demand for production was unlikely to occur, at least for any extended period. When combined with flexible prices and saving-investment equality, Say's law further implied that an economy would achieve and maintain full employment of resources. This law was singled out by John Maynard Keynes in his critique of classical economics, but remains relevant in current macroeconomic analysis, reflected in the circular flow model.
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PURPLE SMARPHIN
[What's This?]
Today, you are likely to spend a great deal of time strolling through a department store trying to buy either a travel case for you toothbrush or a looseleaf notebook binder. Be on the lookout for telephone calls from long-lost relatives.
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In 1914, Ford paid workers who were age 22 or older $5 per day -- double the average wage offered by other car factories.
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"Inside the ring or out, ain't nothing wrong with going down. It's staying down that's wrong. " -- Muhammad Ali
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MU
Marginal Utility
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