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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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PAPER ECONOMY

Markets, exchanges, and other assorted economic activities that deal with legal or paper claims on physical assets rather than the physical assets. The vast majority of activities for the paper economy take place through financial markets. The paper economy complements production and consumption activities of the real economy that involve product markets and resource markets.

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APLS

ORANGE REBELOON
[What's This?]

Today, you are likely to spend a great deal of time at a garage sale wanting to buy either a rechargeable battery for your cell phone or a T-shirt commemorating the 2000 Olympics. Be on the lookout for defective microphones.
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This isn't me! What am I?

The Dow Jones family of stock market price indexes began with a simple average of 11 stock prices in 1884.
"When the solution is simple, God is answering."

-- Albert Einstein

SFA
Securities and Futures Authority (UK)
A PEDestrian's Guide
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