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ABSTRACTION: Simplifying the complexities of the real world by ignoring (hopefully) unimportant details while doing economic analysis. Abstraction is often criticized because it's, well, it's JUST NOT REALISTIC. However, when done correctly (ignoring things that JUST DON'T MATTER), then the pursuit of knowledge is greatly enhanced by abstraction. For example, when travelling cross country along a high-speed interstate highway, a paper road map is a handy tool. It shows towns and cities along the way, the major intersections, rest stop locations, and other important points of interest. However, it ignores unimportant details. It doesn't realistically show the location of every tree, bush, or blade of grass. Why bother? This information won't enhance your road trip.
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INFORMATION The transfer of knowledge from one person to another. Information is a flow concept. It requires someone (or something) to do the sending and someone to do the receiving. Information is a valuable commodity that provides benefits, but also incurs an opportunity cost to produce, meaning information is never perfect or complete. The existence of asymmetric information (some have more information than others) gives rise to the problems of adverse selection, moral hazard, and the principal-agent problem.
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PINK FADFLY
[What's This?]
Today, you are likely to spend a great deal of time at a flea market trying to buy either yellow cotton balls or a set of steel-belted radial snow tires. Be on the lookout for vindictive digital clocks with revenge on their minds.
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This isn't me! What am I?
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The word "fiscal" is derived from a Latin word meaning "moneybag."
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"Always make a total effort, even when the odds are against you." -- Arnold Palmer
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WE
Walrasian Equilibrium
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