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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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FACTOR MARKET ANALYSIS

An analysis of the structure and equilibrium determination of markets that exchange the services of productive resources. This analysis highlights principles and concepts that tend to be most commonly associated with factor markets (also termed resource markets), including monopsony and bilateral monopoly. Marginal revenue product is a key concept on the demand side of the factor market. Marginal factor cost is a key concept on the supply side of the factor market.

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APLS

ORANGE REBELOON
[What's This?]

Today, you are likely to spend a great deal of time lost in your local discount super center trying to buy either a how-to book on wine tasting or a bookshelf that will fit in your closet. Be on the lookout for empty parking spaces that appear to be near the entrance to a store.
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This isn't me! What am I?

Lombard Street is London's equivalent of New York's Wall Street.
"Wherever you go, no matter what the weather, always bring your own sunshine."

-- Anthony J. D'Angelo

JIE
Journal of Industrial Economics
A PEDestrian's Guide
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