We analyze models of product differentiation with perfect price discrimination and free entry. Although perfect price discrimination ensures efficient output decisions given product characteristics, coordination failures may prevent efficiency in the choice of product characteristics. More...

We consider a standard model of consumer switching costs with demand uncertainty where firms observe private information about demand. Given this private information, each firm forms beliefs over different demand realizations as well as beliefs over the other firm's information. The main result...

We study dynamic price adjustment under imperfect competition when consumers have non-time-separable preferences. In our model an intertemporal link arises in the consumers' maximization problems because current consumption decisions affect the utility of future consumption. Thus future demand...