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MARGINAL PROPENSITY TO SAVE: The proportion of each additional dollar of household income that is used for saving. Or alternatively, this is the change in saving due to a change in disposable income. Abbreviated MPS, the marginal propensity to save is the slope of the saving or propensity-to-save line. It also takes center stage for the multiplier effect. In particular, the inverse of the MPS is the simple expenditure multiplier. The sum of the marginal propensity to save and the related concept, the marginal propensity to consume, is equal to one.
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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 at the confiscated property police auction seeking to buy either a video camera with stop action features or one of those memory foam pillows. Be on the lookout for the last item on a shelf.
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A thousand years before metal coins were developed, clay tablet "checks" were used as money by the Babylonians.
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"The difference between a successful person and others is not a lack of strength, not a lack of knowledge, but rather a lack of will. " -- Vince Lombardi
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SDR
Special Drawing Right
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