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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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LIQUIDITY: The ease of converting an asset into money (either checking accounts or currency) in a timely fashion with little or no loss in value. Money is the standard for liquidity because it is, well, money and no conversion is needed. Other assets, both financial and physical have varying degrees of liquidity. Savings accounts, certificates of deposit, and money market accounts are highly liquid. Stocks, bonds, and are another step down in liquidity. While they can be "cashed in," price fluctuations, brokerage fees, and assorted transactions expenses tend to reduce their money value. Physical assets, like houses, cars, furniture, clothing, food, and the like have substantially less liquidity. See also | money | asset | value | checkable deposits | currency | M1 | corporate stock | bond | government securities |  Recommended Citation:LIQUIDITY, AmosWEB GLOSS*arama, http://www.AmosWEB.com, AmosWEB LLC, 2000-2025. [Accessed: July 11, 2025]. AmosWEB Encyclonomic WEB*pedia:Additional information on this term can be found at: WEB*pedia: liquidity
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MONOPOLISTIC COMPETITION, LONG-RUN ADJUSTMENT A monopolistically competitive industry undertakes a two-part adjustment to equilibrium in the long run. One is the adjustment of each monopolistically competitive firm to the appropriate factory size that maximizes long-run profit. The other is the entry of firms into the industry or exit of firms out of the industry, to eliminate economic profit or economic loss. The end result of this long-run adjustment is two equilibrium conditions--one for profit maximization, the other for zero economic profit.
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Much of the $15 million used by the United States to finance the Louisiana Purchase from France was borrowed from European banks.
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"If anything terrifies me, I must try to conquer it. " -- Francis Charles Chichester, yachtsman, aviator
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USDA United States Department of Agriculture
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