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BARRIER TO ENTRY: 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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SUBSTITUTE-IN-CONSUMPTION

One of two (or more) goods that provide the same basic satisfaction of a want or need when consumed. A substitute-in-consumption is one of two alternatives falling within the other prices determinant of demand. The other is a complement-in-consumption. An increase in the price of one substitute good causes an increase in demand for the other. A substitute-in-consumption has a positive cross elasticity of demand.

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APLS

BLACK DISMALAPOD
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Today, you are likely to spend a great deal of time driving to a factory outlet seeking to buy either a large, stuffed kitty cat or a cross-cut paper shredder. Be on the lookout for letters from the Internal Revenue Service.
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This isn't me! What am I?

Woodrow Wilson's portrait adorned the $100,000 bill that was removed from circulation in 1929. Woodrow Wilson was removed from circulation in 1924.
"Anyone who has never made a mistake has never tried anything new. "

-- Albert Einstein, physicist

SMA
Structural Moving Average
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