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ECONOMIC THINKING: A way of looking at, and analyzing, the way the world works by comparing the costs of an action with the benefits generated. Economic thinking arises from scarcity, which exists because wants and needs and unlimited but resources are limited. This means virtually all actions incur an opportunity cost. Identifying the cost of an action, no matter how hidden or subtle it may be, is the essence of economic thinking.
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SIGNALLING When confronted by asymmetric information, the use of small bits of information, or indicators, that suggest more comprehensive information. Signalling is used by those with more information to reduce the cost of informing those with less information. It is commonly used in markets with adverse selection. Methods of signalling include advertising, brand names, and warranties. A related method is screening.
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GREEN LOGIGUIN
[What's This?]
Today, you are likely to spend a great deal of time waiting for visits from door-to-door solicitors seeking to buy either a box of multi-colored, plastic paper clips or several orange mixing bowls. Be on the lookout for mail order catalogs with hidden messages.
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This isn't me! What am I?
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A thousand years before metal coins were developed, clay tablet "checks" were used as money by the Babylonians.
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"What you get by achieving your goals is not as important as what you become by achieving your goals." -- Zig Ziglar
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AEA
American Economic Association
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