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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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WORLD VIEW

An aspect of a scientific theory that includes fundamental, and unverifiable, axioms, beliefs, and values about how the world works. One example of an unverifiable world view axiom is belief in the existence of a supreme, omnipotent, omniscience being--that is, God. Political philosophies, which are essential to economic theories and policies, are intertwined with alternative world views.

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Today, you are likely to spend a great deal of time lost in your local discount super center hoping to buy either a wall poster commemorating the first day of spring or a lazy Susan for you dining room table. Be on the lookout for mail order catalogs with hidden messages.
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Only 1% of the U.S. population paid income taxes when the income tax was established in 1914.
"Anyone who has never made a mistake has never tried anything new. "

-- Albert Einstein, physicist

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Center for Research in Security Prices
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