Modern examples of duopoly include the American markets for credit cards (Visa and MasterCard), smartphones (Apple and Google), soft drinks (Coca-Cola and Pepsi), and airplanes (Airbus and Boeing).
First past the post voting has long maintained American politics as an effective duopoly where power simply alternates between two main parties.
First past the post voting has long maintained American politics as an effective duopoly where power simply alternates between two main parties.
duopsony oligopoly oligopsony monopoly monopsony polyopsony competitive market dual economy seller's market bargaining power
model and in with of game is or market