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WANT: This is often thought of as a psychological desire which makes life just a little more enjoyable, but which is not physiological necessary to life. You need oxygen, but you want a hot fudge sundae. Satisfaction is achieved by fulfilling wants.

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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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Today, you are likely to spend a great deal of time strolling around a discount warehouse buying club wanting to buy either a cross-cut paper shredder or a birthday greeting card for your father. Be on the lookout for telephone calls from long-lost relatives.
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The average length of a "business lunch" is about 36 minutes.
"A stumble may prevent a fall. "

-- Margaret Thatcher, British prime minister

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