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VARIABLE: A quantity, usually represented as a symbol, that can take on one of a set of values. Variables play a key role in the scientific method and economic analysis. A major task undertaken by the study of economics is to identify the specific value of variables such as price, quantity, unemployment, production, wages, income, among a host of others. This often accomplished using assorted models, such as the market model.
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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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BLACK DISMALAPOD
[What's This?]
Today, you are likely to spend a great deal of time at a flea market hoping to buy either a really, really exciting, action-filled video game or a coffee cup commemorating the moon landing. Be on the lookout for gnomes hiding in cypress trees.
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In the Middle Ages, pepper was used for bartering, and it was often more valuable and stable in value than gold.
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"The moment you let avoiding failure become your motivator, you're down the path of inactivity. " -- Roberto Goizueta, Coca-Cola CEO
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PIH
Permanent Income Hypothesis
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