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LAW: Generally accepted, verified, fundamental principle of nature. Laws have been tested and verified through the scientific method. As a house is constructed from concrete, lumber, and nails, a theory is constructed from laws. To be a fundamental law of nature, a principle must capture a cause-and-effect relationship about the workings of the world.
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OLIGOPOLY, CONCENTRATION: Oligopoly is a market structure that contains a small number of relatively large firms, meaning oligopoly markets tend to be concentrated. A small number of large firms account for a majority of total output. Concentration unto itself is not necessarily bad, but it often leads to inefficient behavior, such as collusion and nonprice competition. Concentration is measured in three ways--market share, concentration ratio, Herfindahl index. See also | market share | concentration ratio | four-firm concentration ratio | eight-firm concentration ratio | Herfindahl index |
Recommended Citation:OLIGOPOLY, CONCENTRATION, AmosWEB GLOSS*arama, http://www.AmosWEB.com, AmosWEB LLC, 2000-2026. [Accessed: March 16, 2026].
AmosWEB Encyclonomic WEB*pedia:Additional information on this term can be found at: WEB*pedia: oligopoly, concentration
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ECONOMICS A social science that studies the allocation of limited resources used to produce the goods and services that satisfy unlimited consumer wants and needs. Economics is one of several social sciences (others are sociology, political science, and anthropology) which applies the scientific method to human behavior. The distinguishing feature of economics is a concern with the fundamental problem of scarcity--unlimited wants and needs and limited resources. Economics is commonly divided into two branches--macroeconomics and microeconomics.
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BLACK DISMALAPOD
[What's This?]
Today, you are likely to spend a great deal of time searching for a specialty store hoping to buy either a how-to book on home remodeling or a tall storage cabinet with five shelves and a secure lock. Be on the lookout for slightly overweight pizza delivery guys.
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The average bank teller loses about $250 every year.
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"Failure will never overtake me if my determination to succeed is strong enough." -- Og Mandino, Author and Speaker
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JET
Journal of Economic Theory
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