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PERSONAL INCOME TAX: A tax on individual income. This is the primary source of revenue for the federal government, a big source for many state and local governments, and the reason most people dread April 15th. In principle, personal income taxes are progressive, based on a graduated tax scale. However, it's much more proportional today than it was several decades ago.

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IMPERFECT COMPETITION

Markets or industries with two or more sellers and buyers that fail to match the criteria of perfect competition. The most noted examples of imperfect competition are the two market structures with selling-side control--monopolistic competition and oligopoly. Lesser known market structures with buying-side control--monopsonistic competition and oligopsony--are also considered as imperfect competition. Facing no competition, monopoly and monopsony are not included. Most real world markets can be considered imperfect competition.

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Today, you are likely to spend a great deal of time surfing the Internet wanting to buy either several magazines on fashion design or a package of 3 by 5 index cards, the ones without lines. Be on the lookout for mail order catalogs with hidden messages.
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This isn't me! What am I?

A thousand years before metal coins were developed, clay tablet "checks" were used as money by the Babylonians.
"Believe one who has tried it. "

-- Virgil, Roman poet

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