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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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MIXED ECONOMY

An economy, or economic system, that relies on both markets and governments to allocate resources. Every economy in the real world regardless of their common designation (such as capitalism, socialism, or communism) make use of both markets and governments and is technically a mixed economy.

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RED AGGRESSERINE
[What's This?]

Today, you are likely to spend a great deal of time wandering around the shopping mall hoping to buy either a large red and white striped beach towel or a bottle of blackcherry flavored spring water. Be on the lookout for poorly written technical manuals.
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This isn't me! What am I?

North Carolina supplied all the domestic gold coined for currency by the U.S. Mint in Philadelphia until 1828.
"Success is the child of audacity. "

-- Benjamin Disraeli, British statesman

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