a form of oligopoly where only two producers are present in a given market
a market with just two sellers who manage to lock out any other competition
an industry containing only two firms
a situation in which two firms control nearly all of the market for a product or service
A form of market structure in which there are two sellers. The Cournot model, among others, is concerned with duopoly.
A market in which there are only two producers. (p. 348)
A market structure in which two producers of a product compete with each other. Back to the top
A TV broadcaster has a "duopoly" if it owns two television stations within the same market. A situation in which one broadcaster owns three TV stations in the same market would be called a "triopoly." The FCC regulates broadcasters' ability to have duopolies: The TV market, or DMA, must have eight remaining independent TV-station owners once any duopoly is completed (a provision known as "the eight-voice test"); and no single company may own two of the market's top-four stations as ranked by Nielsen audience ratings (in most larger markets, typically stations owned by or affiliated with ABC, CBS, NBC and FOX), unless one of those stations is deemed to be a failing business. As with Cross-Ownership, broadcasters have sought a relaxation of Duopoly restrictions.
The ownership of two or more broadcasting facilties in a single market.
a market where there are only two service providers.
an industry with only two firms
market in which two producers of a good or service compete.
Any marketplace where consumer choice is limited to two service providers. In the broadband world, duoply applies to the cable and DSL services that today control almost 98 percent of the residential and small-business broadband market.
A true duopoly is a form of oligopoly where only two producers exist in a market. In reality, this definition is generally eased whereby two firms must only have dominant control over a market. In the field of industrial organization, it is the most commonly studied form of oligopoly due to its simplicity.