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PHYSICAL SCIENCE: The scientific study of nonhuman, nonsociety phenomenon, such as atoms, planets, wildlife, and continental drift. Common disciplines that study these physical phenomenon go by the names physics, chemistry, biology, geology, and astronomy, among others. The primary reason for this entry is to provide a contrast with social sciences, especially economics, that study human behavior and society.

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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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YELLOW CHIPPEROON
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Today, you are likely to spend a great deal of time at a dollar discount store hoping to buy either a wall poster commemorating the first day of winter or blue cotton balls. Be on the lookout for gnomes hiding in cypress trees.
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This isn't me! What am I?

Parker Brothers, the folks who produce the Monopoly board game, prints more Monopoly money each year than real currency printed by the U.S. government.
"My life as a writer consists of 1/8 talent and 7/8 discipline. "

-- John Irving, writer

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