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HHI: The common abbreviation for the Herfindahl-Hirshman index (or the Herfindahl index), which is a measure of concentration of the production in an industry that's calculated as the sum of the squares of market shares for each firm. This is an alternative method of summarizing the degree to which an industry is oligopolistic and the relative concentration of market power held by the largest firms in the industry. The Herfindahl index gives a better indication of the relative market control of the largest firms than can be found with the four-firm and eight-firm concentration ratios.

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RENT SEEKING

The inclination of everyone who is alive and breathing to get as much extra income, wealth, profit, or satisfaction as they can. Rent, while technically considered the factor payment for the use of land resources, is also commonly used as a synonym for economic profit, for the acquisition of benefits above opportunity cost. Rent seeking is the entirely rational process of obtain as much "extra" as possible. In effect, rent seeking is nothing more than utility maximization. Efficiency problems can arise, however, when rent seeking is enhanced and enabled through market control, political influence, or actions of special interest groups.

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Today, you are likely to spend a great deal of time watching infomercials seeking to buy either a set of steel-belted radial snow tires or a wall poster commemorating the 2000 Presidential election. Be on the lookout for gnomes hiding in cypress trees.
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Parker Brothers, the folks who produce the Monopoly board game, prints more Monopoly money each year than real currency printed by the U.S. government.
"If you are going to achieve excellence in big things, you develop the habit in little matters. Excellence is not an exception, it is a prevailing attitude. "

-- Colin Powell, general

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