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LAW OF INCREASING OPPORTUNITY COST: The proposition that opportunity cost, the value of foregone production, increases as more of a good is produced. This "law" can be seen in the production possibilities schedule and is illustrated graphically through the slope of the production possibilities curve. It generates the distinctive convex shape of the curve, making it flat at the top and steep at the bottom.

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OLIGOPOLY, CONCENTRATION

Oligopoly is a market structure that contains a small number of relatively large firms, meaning oligopoly markets tend to be concentrated. A small number of large firms account for a majority of total output. Concentration unto itself is not necessarily bad, but it often leads to inefficient behavior, such as collusion and nonprice competition. Concentration is measured in three ways--market share, concentration ratio, Herfindahl index.

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APLS

ORANGE REBELOON
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Today, you are likely to spend a great deal of time visiting every yard sale in a 30-mile radius looking to buy either a coffee cup commemorating the first day of spring or a printer that works with your stockpile of ink cartridges. Be on the lookout for fairy dust that tastes like salt.
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Approximately three-fourths of the U.S. paper currency in circular contains traces of cocaine.
"Whatever course you decide upon, there is always someone to tell you that you are wrong. There are always difficulties arising which tempt you to believe that your critics are right. To map out a course of action and follow it to an end requires...courage."

-- Ralph Waldo Emerson

GATT
General Agreementon Tariffs and Trade
A PEDestrian's Guide
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