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VERIFICATION: The hypothesis-testing step of the scientific method. Once an hypothesis is derived from a theory, it must be compared with real world data. This is the verification step. This verification can lead to support or refutation of the hypothesis. Enough support enables a hypothesis to become a principle. Refutation calls into question the theory implying the hypothesis.
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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 surfing the Internet trying to buy either several magazines on fashion design or a package of 3 by 5 index cards, the ones without lines. 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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The portion of aggregate output U.S. citizens pay in taxes (30%) is less than the other six leading industrialized nations -- Britain, Canada, France, Germany, Italy, or Japan.
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"Posterity: you will never know how much it has cost my generation to preserve your freedom. I hope you will make good use of it. " -- John Quincy Adams, 6th U. S. president
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PPC
Production Possibilities Curve
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