Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- n. A market condition in which sellers are so few that the actions of any one of them will materially affect price and have a measurable impact on competitors.
Wiktionary
- n. An economic condition in which a small number of sellers exert control over the market of a commodity.
WordNet 3.0
- n. (economics) a market in which control over the supply of a commodity is in the hands of a small number of producers and each one can influence prices and affect competitors
Etymologies
- oligo- + (mono)poly.
Examples
“Google has a mid term oligopoly on search aggregation.”
“Without controlling 100% (or at least very close to it) of the oil market, they have no shot at effectively engaging in oligopoly price setting.”
“The standard Cournot model of an oligopoly is shown not to have a phase transition, as it is equivalent to a continuum version of the Curie-Weiss model.”
“The industry is also a monopoly -- or an oligopoly, which is many firms acting like a monopoly.”
“The music industry is nothing but an oligopoly, which is a group of big companies acting as a monopoly.”
“For the record, oligopsony is the flip side of oligopoly, that is, a small number of buyers, in this case, of labor services.”
“And don't be fooled by the dictionary definition that "oligopoly" does not control the market.”
“Everything they will suggest plays right into the hands of the pockets of the medical oligopoly which is lead by the monopolistic AMA.”
“Think now of placing some kind of oligopoly game into a business oriented version of World of Warcraft "World of Bizcraft.”
“Many special problems have been attacked such as oligopoly (markets with few sellers) which could never be adequately treated by conventional methods.”
Lists
These user-created lists contain the word ‘oligopoly’.
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Logolepsy
"Luciferous Logolepsy is a collection of over 9,000 obscure English words. Though the definition of an 'English' word might seem to be straightforward, it is not. There exist so many adopted, deriv...
Anschauung, Areopagus, Argus, Briarean, Dei gratia, Dei judicium, Deo volente, Duecento, Foehn, Geflugelte Worte, Gegenschein, Hakenkreuz and 9230 more...
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Antitrust Word List
plus factor, conscious paralle..., oligopoly, supracompetitive, collusive, market power, price fixing, fungible, elasticity of demand, barrier to entry, carve out, conspire
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oligo-, olig-
having or involving few
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Econ001
ew
perfect competition, production possib..., externality, market demand, marginal cost, marginal benefit, oligopoly

whichbe Not to be confused with rolypoly. Oct 20, 2008
sonofgroucho More sociable than monopoly. There really should be polypoly! Nov 9, 2007