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MARGINAL UTILITY: The additional utility, or satisfaction of wants and needs, obtained from the consumption or use of an additional unit of a good. It is specified as the change in total utility divided by the change in quantity. Marginal utility indicates what each additional unit of a good is worth to a consumer.
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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
[What's This?]
Today, you are likely to spend a great deal of time lost in your local discount super center trying to buy either a box of multi-colored, plastic paper clips or several orange mixing bowls. Be on the lookout for telephone calls from long-lost relatives.
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Mark Twain said "I wonder how much it would take to buy soap buble if there was only one in the world."
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"Concentrate all your thoughts upon the work at hand. The sun's rays do not burn until brought to a focus." -- Alexander Graham Bell, inventor
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PDV
Present Discounted Value
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