what are the types of duopoly 
the two main types of duopoly the cournot duopoly and bertrand duopoly the cournot duopoly model states that the quantity of goods or services produced structures the competition among the two companies in an industry according to the model the two companies decide collaboratively to split the market between one another if one company alters its production levels the other company must also alter its production to maintain the equilibrium of a 50 50 split of the market on the other hand the bertrand duopoly model states that it is price and not production quantity that structures the competition between the two firms the model posits that consumers will choose the lower priced product when given two choices of equal quality this implies that the two companies in the duopoly will engage in a price war to gain market share 