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OPPORTUNITY COST: The highest valued alternative foregone in the pursuit of an activity. This is a hallmark of anything dealing with economics--and life for that matter--because any action that you take prevents you from doing something else. The ultimate source of opportunity cost is the pervasive problem of scarcity (unlimited wants and needs, but limited resources). Whenever limited resources are used to satisfy one want or need, there are an unlimited number of other wants and needs that remain unsatisfied. Herein lies the essence of opportunity cost. Doing one thing prevents doing another.
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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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BROWN PRAGMATOX
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Today, you are likely to spend a great deal of time wandering around the shopping mall seeking to buy either an electric coffee pot with automatic shutoff or a brown leather attache case. Be on the lookout for bottles of barbeque sauce that act TOO innocent.
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The earliest known use of paper currency was about 1270 in China during the rule of Kubla Khan.
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"We should never allow ourselves to be bullied by an either-or. There is often the possibility of something better than either of those two alternatives. " -- Mary Parker Follett, management coach
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IRPP
Institute for Research on Public Policy
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