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ABILITY-TO-PAY PRINCIPLE: A principle of taxation in which taxes are based on the income or resource-ownership ability of people to pay the tax. The income tax collected by our friends at the Internal Revenue Service is one of the most common taxes that seeks to abide by the ability-to-pay principle. In theory, the income tax system is set up such that people with greater incomes pay more taxes. Proportional and progressive taxes follow this ability-to-pay principle, while regressive taxes, such as sales taxes and Social Security taxes, don't.

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MARGINAL COST AND LAW OF DIMINISHING MARGINAL RETURNS

Decreasing then increasing marginal cost, reflected by a U-shaped marginal cost curve, is the result of increasing then decreasing marginal returns. In particular the decreasing marginal returns is caused by the law of diminishing marginal returns. As such, the law of diminishing marginal returns affects not only the short-run production of a firm but also the cost of short-run production. This translates into a positively-sloped supply curve for profit-maximizing competitive firms.

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BEIGE MUNDORTLE
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Today, you are likely to spend a great deal of time visiting every yard sale in a 30-mile radius looking to buy either a desktop calendar with all federal and state holidays highlighted or a half-dozen helium filled balloons. Be on the lookout for pencil sharpeners with an attitude.
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In his older years, Andrew Carnegie seldom carried money because he was offended by its sight and touch.
"No man, for any considerable time, can wear one face to himself and another to the multitude without finally getting bewildered as to which may be true."

-- Nathanial Hawthorne, Author

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