Differentiated Products of Duopoly and Oligopoly | Product Markets

The differentiated oligopoly and duopoly, that is, where there is product differentiation as in the case of monopolistic competition. The individual producer of a differentiated product under oligopoly faces his own dis­tinct demand function. The quantity demanded of his product would depend upon the pric­ing decisions of all the firms in the industry, and we may write the ith seller's [...]