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COMMON-PROPERTY GOOD: A good that's difficult to keep nonpayers from consuming, but use of the good by one person prevents use by others. Examples include oceans, the atmosphere, many lakes and streams, and large tracts of wilderness area or public parks. The term "common property" aptly describes the situation here, it's commonly owned and thus everyone has access to it, but it can be easily used up or destroyed. Many of our pollution problems occur because common property becomes a convenient place to dump waste materials. For efficiency, government needs to take charge of common-property goods, private exchange through markets can't do the job.
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ASYMMETRIC INFORMATION Information is not equally available to everyone. Asymmetric information results because efficient information search inevitably stops short of compete information. Some people obtain more benefits from information than others, are willing to incur higher search costs, and thus end up knowing more. Or they incur lower information search costs and have easier access to the information. In a market, sellers tend to have more information about the good than buyers. Asymmetric information gives rise to adverse selection, moral hazard, and the principal-agent problem. These problems can be lessened through signalling and screening.
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GREEN LOGIGUIN
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Today, you are likely to spend a great deal of time flipping through the yellow pages looking to buy either car battery jumper cables or a dozen high trajectory optic orange golf balls. Be on the lookout for neighborhood pets, especially belligerent parrots.
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This isn't me! What am I?
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The New York Stock Exchange was established by a group of investors in New York City in 1817 under a buttonwood tree at the end of a little road named Wall Street.
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"Just as iron rusts from disuse, even so does inaction spoil the intellect. " -- Leonardo da Vinci, architect, artist
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ME
Montreal Exchange
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