Kopalle, Praveen K.; Rao, Ambar G.; Assunção, João L. - In: Marketing Science 15 (1996) 1, pp. 60-85
We consider a group of frequently purchased consumer brands which are partial substitutes and examine two situations; the first where the group of brands is managed by a retailer, and second where the brands compete in an oligopoly. We assume that demand is a function of actual prices and...