Noun
(by extension)
The domination of a field of endeavour by two entities or people.
(broadcasting) A situation in which two or more radio or television stations in the same city or community share common ownership.
Synonym: (Canada) twinstick
Democratic elections require that votes are supreme, not big-money. They require contested candidacies, not a two-party duopoly that increasingly reflects the same commercial interests. Ralph Nader
According to the 73% of the special access market is controlled by one ISP, 24% of markets usually "enjoy" duopoly control, and only a tiny fraction of markets have more than two choices of BDS providers. Source: Internet
CEO Pfeiffer boldly predicted that the Microsoft Intel "Wintel" duopoly would be replaced by "Wintelpaq". Source: Internet
In effect, it ended the duopoly which had been shared by British Telecommunications and Mercury Communications in the UK since November 1983 and the build-up to privatisation. Source: Internet
Huya and DouYu are an emerging duopoly in the Chinese game livestreaming market. Source: Internet
Game theory tends to govern duopoly and oligopoly behavior. citation * Monopsony, when there is only one buyer in a market. Source: Internet