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ABSTRACTION METHODS: Abstraction is the process of simplifying the complexities of the real world by ignoring (hopefully) unimportant details, especially (for our purposes) while doing economic analysis. Three common methods of actual, real world abstraction used in economic theories are words, graphs, and equations. Words can be misunderstood. Graphs are a little more precise. And equations tend to be the most precise of the three.
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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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YELLOW CHIPPEROON
[What's This?]
Today, you are likely to spend a great deal of time going from convenience store to convenience store hoping to buy either a video camera with stop action features or one of those memory foam pillows. Be on the lookout for the happiest person in the room.
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Approximately three-fourths of the U.S. paper currency in circular contains traces of cocaine.
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"The world is not dangerous because of those who do harm but because of those who look at it without doing anything. " -- Albert Einstein, physicist
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IS-LM
Investment/Saving-Liquidity/Money
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