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MACROECONOMY: The aggregate, or national economy that is the prime focus of the study of macroeconomics.

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HERFINDAHL INDEX

A measure of concentration of the production in an industry calculated as the sum of the squares of market shares for each firm. This is one method of summarizing the degree to which an industry is oligopolistic and the concentration of market control held by the largest firms in the industry. Two other measures of industry concentration are the four-firm concentration ratio and the eight-firm concentration ratio.

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Today, you are likely to spend a great deal of time watching the shopping channel looking to buy either a computer that can play video games and burn DVDs or a black duffle bag with velcro closures. Be on the lookout for deranged pelicans.
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In the early 1900s around 300 automobile companies operated in the United States.
"People of mediocre ability sometimes achieve outstanding success because they don't know when to quit. "

-- George Allen, U.S. senator

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