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ENTRY BARRIERS: Institutional, government, technological, or economic restrictions on the entry of firms into a market or industry. The four primary barriers to entry are: resource ownership, patents and copyrights, government restrictions, and start-up costs. Barriers to entry are a key reason for market control and the inefficiency that this generates. In particular, monopoly, oligopoly, monopsony, and oligopsony often owe their market control to assorted barriers to entry. By way of contrast, perfect competition, monopolistic competition, and monopsonistic competition have few if any barriers to entry and thus little or no market control.

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HORIZONTAL EQUITY

A tax equity principle stating that people with the same ability to pay taxes should pay the same amount of taxes. This is one of two equity principles related to the ability-to-pay principle. The other is vertical equity, which states that people with a different ability to pay taxes should pay a different amount of taxes.

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Today, you are likely to spend a great deal of time at a crowded estate auction trying to buy either high-gloss photo paper that works with your printer or a desktop calendar with all federal and state holidays highlighted. Be on the lookout for gnomes hiding in cypress trees.
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Natural gas has no odor. The smell is added artificially so that leaks can be detected.
"The secret of a good memory is attention, and attention to a subject depends upon our interest in it. We rarely forget that which has made a deep impression on our minds. "

-- Tyron Edwards, theologian

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