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PERFECT COMPETITION, LONG-RUN ADJUSTMENT: A perfectly competitive industry undertakes a two-part adjustment to equilibrium in the long run. One is the adjustment of each perfectly competitive firm to the appropriate factory size that maximizes long-run profit. The other is the entry of firms into the industry or exit of firms out of the industry, to eliminate economic profit or economic loss. The end result of this long-run adjustment is a multi-faceted equilibrium condition that price is equal to marginal cost and average cost (both short run and long run).
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ADVERSE SELECTION An inefficient, bad, or adverse outcome of a market exchange that results because buyers and/or sellers make decisions based on asymmetric information. This commonly results in a market that exchanges a lesser quality good, what is termed the market for lemons. Two related problems resulting from asymmetric information are moral hazard and the principal-agent problem. Two methods of lessoning the problem of adverse selection are signalling and screening.
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YELLOW CHIPPEROON
[What's This?]
Today, you are likely to spend a great deal of time wandering around the shopping mall hoping to buy either a coffee cup commemorating Thor Heyerdahl's Pacific crossing aboard the Kon-Tiki or a rechargeable battery for your cell phone. Be on the lookout for mail order catalogs with hidden messages.
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This isn't me! What am I?
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The first U.S. fire insurance company was established by Benjamin Franklin in 1752 in Philadelphia.
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"Posterity: you will never know how much it has cost my generation to preserve your freedom. I hope you will make good use of it. " -- John Quincy Adams, 6th U. S. president
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SCF
Survey of Consumer Finances
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