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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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ADVERSE SELECTION An inefficient, bad, or adverse outcome of a market exchange that results because buyers and/or sellers make decisions based on asymmetric information. This commonly results in a market that exchanges a lesser quality good, what is termed the market for lemons. Two related problems resulting from asymmetric information are moral hazard and the principal-agent problem. Two methods of lessoning the problem of adverse selection are signalling and screening.
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PINK FADFLY
[What's This?]
Today, you are likely to spend a great deal of time visiting every yard sale in a 30-mile radius trying to buy either a small palm tree that will fit on your coffee table or several magazines on fashion design. Be on the lookout for pencil sharpeners with an attitude.
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This isn't me! What am I?
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Okun's Law posits that the unemployment rate increases by 1% for every 2% gap between real GDP and full-employment real GDP.
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"There's only one corner of the universe you can be certain of improving and that's your own self. " -- Aldous Huxley, writer
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MA(N)
A nth-order Moving Average Process
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