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ZERO-SUM GAME: A situation in which a fixed amount is divided up among the winners and losers. In a zero-sum game the wins equal the losses. Many stock market, or financial market, exchanges are zero-sum. One person buys low and sells high, while another buys high and sells low. The wealth in such transactions are merely transferred from one person to another. "Productive" market transactions, in contrast, are not zero-sum. The act of producing goods and services from resources that are consumed to satisfy wants and needs results in a net gain to society.
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SLOPE, AGGREGATE EXPENDITURES LINE The positive slope of the aggregate expenditures line is the sum of the marginal propensity to consume (MPC), marginal propensity to invest (MPI), and marginal propensity for government purchases (MPG), less the marginal propensity to import (MPM). This slope is greater than zero but less than one, reflecting induced expenditures by the four macroeconomic sectors (household, business, government, and foreign). The slope of the aggregate expenditures line determines the magnitude of the multiplier process.
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PURPLE SMARPHIN
[What's This?]
Today, you are likely to spend a great deal of time at a flea market seeking to buy either a wall poster commemorating Thor Heyerdahl's Pacific crossing aboard the Kon-Tiki or decorative garden figurines. Be on the lookout for neighborhood pets, especially belligerent parrots.
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The penny is the only coin minted by the U.S. government in which the "face" on the head looks to the right. All others face left.
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"You miss 100% of the shots you never take. " -- Wayne Gretzky, hockey player
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GNMA
Government National Mortgage Association
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