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ENTRY BARRIER: An institutional, government, technological, or economic restriction 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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ALLOCATION EFFECT

A change in the allocation of resources caused by placing taxes on economic activity. By creating disincentives to produce, consume, or exchange, taxes generally alter resource allocations. The allocation effect is typically used when governments seek to discourage the production, consumption, or exchange of particular goods or activities that are deemed undesirable (such as tobacco use or pollution). This is one of two effects of taxation. The other (primary) is the revenue effect, which is the generation of revenue used to finance government operations.

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RED AGGRESSERINE
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Today, you are likely to spend a great deal of time calling an endless list of 800 numbers wanting to buy either a pleather CD case or a how-to book on fine dining. Be on the lookout for florescent light bulbs that hum folk songs from the sixties.
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One of the largest markets for gold in the United States is the manufacturing of class rings.
"You are the only problem you will ever have and you are the only solution. Change is inevitable, personal growth is always a personal decision."

-- Bob Proctor, Author and Speaker

GDI
Gross Domestic Income
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