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TC: The abbreviation for total cost, which is the opportunity cost incurred by all of the factors of production used by a firm to produce of a good or service, including wages paid to labor, rent paid for the land, interest paid to capital owners, and a normal profit paid to entrepreneurs. Total cost is most important in the analysis a firm's short-run production decision and is frequently separated into total variable cost and total fixed cost.

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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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[What's This?]

Today, you are likely to spend a great deal of time watching infomercials wanting to buy either a birthday gift for your mother or a weathervane with a horse on top. Be on the lookout for small children selling products door-to-door.
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This isn't me! What am I?

The wealthy industrialist, Andrew Carnegie, was once removed from a London tram because he lacked the money needed for the fare.
"Life is no brief candle to me. It is a sort of splendid torch which I have got a hold of for the moment, and I want to make it burn as brightly as possible before handing it on to future generations."

-- George Bernard Shaw

PPF
Production Possibilities Frontier
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