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BARTER ECONOMY: An economy that trades goods and services using barter exchanges rather than money. Barter economies originally predated the invention of money, emerging out the early stage of self-sufficiency before giving way to the use of commodity money. However, barter economies occasionally surface in modern times, especially when the public loses confidence in the monetary unit during a government crises or a period of hyperinflation.
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MARKET FAILURES Imperfections in the exchange process between buyers and sellers that prevent markets from efficiently allocating scarce resources. Market failures come in four varieties -- public goods, market control, externalities, and imperfect information. Market efficiency is achieved if the value of goods produced is equal to the value of foregone production. Markets fail when this efficiency condition is not achieved. Such failures can only be corrected by government intervention.
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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 looking to buy either a wall poster commemorating the moon landing or storage boxes for your winter clothes. Be on the lookout for gnomes hiding in cypress trees.
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This isn't me! What am I?
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Cyrus McCormick not only invented the reaper for harvesting grain, he also invented the installment payment for selling his reaper.
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"Stand up to your obstacles and do something about them. You will find that they haven't half the strength you think they have." -- Norman Vincent Peale
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NAIRU
Non-Accelerating Inflation Rate of Unemployment
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