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An oligopoly (from Ancient Greek ὀλίγος (olígos) 'few' and πωλέω (pōléō) 'to sell') is a market in which pricing control lies in the hands of a few sellers. [ 1 ] [ 2 ] As a result of their significant market power, firms in oligopolistic markets can influence prices through manipulating the supply function .
A situation in which many firms with slightly different products compete. Moreover, firms compete by selling differentiated products that are highly substitutable, but are not perfect substitutes. Therefore, the level of market power under monopolistic competition is contingent on the degree of product differentiation.
The emergence of oligopoly market forms is mainly attributed to the monopoly of market competition, i.e., the market monopoly acquired by enterprises through their competitive advantages, and the administrative monopoly due to government regulations, such as when the government grants monopoly power to an enterprise in the industry through laws ...
In microeconomics, the Bertrand–Edgeworth model of price-setting oligopoly looks at what happens when there is a homogeneous product (i.e. consumers want to buy from the cheapest seller) where there is a limit to the output of firms which are willing and able to sell at a particular price. This differs from the Bertrand competition model ...
An oligopsony (from Greek ὀλίγοι (oligoi) "few" and ὀψωνία (opsōnia) "purchase") is a market form in which the number of buyers is small while the number of sellers in theory could be large. This typically happens in a market for inputs where numerous suppliers are competing to sell their product to a small number of (often large ...
An example would be the Aspen Skiing Co. v. Aspen Highlands Skiing Corp., 472 U.S. 585 (1985) where these two firms owning these mountains formed a joint venture to offer consumers a lift ticket good at all four areas. Although they were not engaging in price competition, this joint venture was structured in a way where non-price competition ...
This could take the form of exclusive contracts, whether supply or demand-side, or through price manipulation in non-competitive markets. A market with perfect competition features zero barriers to entry. [15] Under perfect competition firms are unable to control prices, and produce similar or identical goods. [16]
A duopoly (from Greek δύο, duo ' two '; and πωλεῖν, polein ' to sell ') is a type of oligopoly where two firms have dominant or exclusive control over a market, and most (if not all) of the competition within that market occurs directly between them. Duopoly is the most commonly studied form of oligopoly due to its simplicity.