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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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FIRST ESTATE

Another term for the government or public sector. This is one of four divisions of society based on economic function. The other three are businesses as the second estate, consumers as the third estate, and journalists as the fourth estate.

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APLS

PURPLE SMARPHIN
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Today, you are likely to spend a great deal of time lost in your local discount super center trying to buy either a T-shirt commemorating the second moon landing or a coffee cup commemorating Thor Heyerdahl's Pacific crossing aboard the Kon-Tiki. Be on the lookout for slightly overweight pizza delivery guys.
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Before 1933, the U.S. dime was legal as payment only in transactions of $10 or less.
"Luck is what happens when preparation meets opportunity. "

-- Seneca, Roman philosopher

PTA
Preferential Trade Agreement
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