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REAL PURCHASING POWER: The ability to acquire wants-and-needs satisfying goods and services with income or money. The real purchasing power of income or money depends on the prices of the goods and services. If the price level, for example, doubles, then a given amount of money can purchase half as many goods and services.

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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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ORANGE REBELOON
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Today, you are likely to spend a great deal of time strolling through a department store looking to buy either a T-shirt commemorating the first day of winter or software that won't crash your computer. Be on the lookout for slightly overweight pizza delivery guys.
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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."
"Most of the things worth doing in the world had been declared impossible before they were done."

-- Louis D. Brandeis, Supreme Court Justice

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