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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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MARGINAL PROPENSITY FOR GOVERNMENT PURCHASES The change in government purchases induced by a change in income or production (national income or gross domestic product). The marginal propensity for government purchases (abbreviated MPG) is another term for the slope of the government purchases line and is calculated as the change in government purchases divided by the change in income or production. The MPG plays a role in Keynesian economics. It augments the slope of the aggregate expenditures line and is part of the multiplier process. A related marginal measure is the marginal propensity to consume.
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BLUE PLACIDOLA [What's This?]
Today, you are likely to spend a great deal of time at a flea market trying to buy either a pair of red and purple designer socks or a T-shirt commemorating Thor Heyerdahl's Pacific crossing aboard the Kon-Tiki. Be on the lookout for neighborhood pets, especially belligerent parrots. Your Complete Scope
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The average bank teller loses about $250 every year.
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"A man is not finished when he is defeated. He is finished when he quits. " -- President Richard Nixon
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SUR Seemingly Unrelated Regressions
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