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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.
The distinguishing characteristic of a duopoly is a market featuring solely two firms. Competition in a duopoly can vary due to what is being set in the market: price or quantity (see Cournot competition and Bertrand competition). It is generally agreed that a duopoly will feature higher barriers to entry than an oligopoly, as firms within a ...
Cournot's model of competition is typically presented for the case of a duopoly market structure; the following example provides a straightforward analysis of the Cournot model for the case of Duopoly. Therefore, suppose we have a market consisting of only two firms which we will call firm 1 and firm 2.
The boundaries of what constitutes a market and what does not are relevant distinctions to make in economic analysis. In a general equilibrium context, a good is a specific concept including geographical and time-related characteristics. Most studies of market structure relax a little their definition of a good, allowing for more flexibility in ...
South Korea has a multi-party system [28] that has sometimes been described as having characteristics of a two-party system. [29] Parties will have reconstructions based upon its leader, but the country continues to maintain two major parties. Currently these parties are the liberal Democratic Party of Korea and the conservative People Power Party.
Duopoly: Oligopoly: Buyers: Monopsony: Duopsony: Oligopsony: In economics, a duopsony is a market structure in which only two buyers substantially control the ...
Duopoly, a case of an oligopoly where two firms operate and have power over the market. [8] Example: Aircraft manufactures: Boeing and Airbus. A duopoly in theory could have the same effect as a monopoly on pricing within a market if they were to collude on prices and or output of goods.
Anti-competitive practices are commonly only deemed illegal when the practice results in a substantial dampening in competition, hence why for a firm to be punished for any form of anti-competitive behavior they generally need to be a monopoly or a dominant firm in a duopoly or oligopoly who has significant influence over the market.