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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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OPEC: The common abbreviation for the Organization of Petroleum Exporting Countries, which is an international organization of more than a dozen nations located primarily in the Middle East, Africa, and Central America that controls a sizeable portion of the world's petroleum reserves. This control over oil reserves gives OPEC significant market control, which it has been inclined to exert from time to time. The most noted time was the 1970s. OPEC raised oil prices from a scant $2 to $3 a barrel in the early 1970s to over $30 a barrel by the end of the decade. As an group of independent oil-producing nations seeking to monopolize the market, OPEC represents a textbook example of an cartel. See also | market control | monopoly | cartel | entry barriers | exhaustible resource | Hotelling's Rule | switching point | natural resources |  Recommended Citation:OPEC, AmosWEB GLOSS*arama, http://www.AmosWEB.com, AmosWEB LLC, 2000-2025. [Accessed: July 18, 2025].
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MARGINALLY-ATTACHED WORKERS People who are willing and able to work, who have either held a job or searched for employment within the last year, but are not actively seeking employment. Discouraged workers, people who are willing and able to engage in productive activities, but due to their overwhelming lack of success believe that any effort to find a job will be fruitless so they have stopped seeking employment, fall within this broader category of marginally-attached workers. People can be marginally attached to the labor force for a variety of reasons, discouraged workers, in contrast, achieve their designation specifically because they believe search efforts are not worthwhile.
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GRAY SKITTERY [What's This?]
Today, you are likely to spend a great deal of time driving to a factory outlet wanting to buy either a coffee cup commemorating yesterday or a replacement remote control for your television. Be on the lookout for a thesaurus filled with typos. Your Complete Scope
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A communal society, a prime component of Karl Marx's communist philosophy, was advocated by the Greek philosophy Plato.
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"A winner is someone who recognizes his God-given talents, works his tail off to develop them into skills, and uses those skills to accomplish his goals. " -- Larry Bird, basketball player
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ICAPM Intertemporal Capital Asset Pricing Model
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