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HERFINDAHL-HIRSHMAN INDEX: 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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SIXTH RULE OF IGNORANCE

The sixth of seven basic rules of the economy, stating that obtaining information is a costly activity that requires resources with alternative uses. As such, no one knows everything and everyone is ignorant about something.

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Today, you are likely to spend a great deal of time at a crowded estate auction hoping to buy either a T-shirt commemorating the 2000 Presidential election or a really, really exciting, action-filled video game. Be on the lookout for cardboard boxes.
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Francis Bacon (1561-1626), a champion of the scientific method, died when he caught a severe cold while attempting to preserve a chicken by filling it with snow.
"Failure is a part of success. There is no such thing as a bed of roses all your life. But failure will never stand in the way of success if you learn from it. "

-- Hank Aaron, baseball player

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