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HECKSCHER-OHLIN MODEL: A model of international trade developed by Eli Heckscher and Bertil Ohlin, with significant contributions by Paul Samuelson, that relies on the notion that comparative advantage is based on relative natural resource endowments. A nation with large oil reserves will, for example, have a comparative advantage in oil production over another nation with fertile soil, which will have a comparative advantage in agricultural production.
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SCREENING When confronted by asymmetric information, the use of small bits of information, or indicators, that suggest more comprehensive information. Screening occurs when those with limited information try to identify indicators suggesting more complete information. It is used in markets with adverse selection and moral hazard, especially in labor markets and in the provision of insurance. Common methods of screening include aptitude tests, affiliations, past behavior, and personal characteristics. A related method is signalling.
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PURPLE SMARPHIN
[What's This?]
Today, you are likely to spend a great deal of time waiting for visits from door-to-door solicitors wanting to buy either a pair of designer sunglasses or looseleaf notebook paper. Be on the lookout for the happiest person in the room.
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This isn't me! What am I?
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The standard "debt" notation I.O.U. does not mean "I owe you," but actually stands for "I owe unto..."
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"We succeed in enterprises (that) demand the positive qualities we possess, but we excel in those (that) can also make use of our defects. " -- Alexis de Tocqueville, statesman, author
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QJE
Quarterly Journal of Economics
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