Recently, we have experienced an emergence of comparative "Internet Shopping Agents" (ISAs) that allow consumers to costlessly search across many online retailers and buy at the lowest price. An ISA can be thought of as an institution that creates all or nothing type of competition in the...

An important phenomenon on the Internet has been the emergence of "infomediaries" or Internet referral services such as Autobytel.com and Carpoint.com in the automobile industry, Avviva.com in real estate and Healthcareadvocates.com in medicine. These services offer consumers the opportunity to...

We study the play of mutual interests games by satisficing decision makers. We show that, for a high enough inital aspiration level, and under certain assumptions of "tremble," there is a high probability (close to unity) of convergence to the Pareto dominant cooperative outcome. Simulations...

We present a model of brand-switching in which a consumer's impression of each brand is based on her memory of past consumption of this brand, and is stochastically updated whenever the brand is consumed. In the ordinal version of the model, consumer's memory is an ordering of the available...

We consider a two stage diffrentiated products duopoly model (with linear demand and constant marginal cost). In the first stage prot maximizing owners choose incentive schemes in order to induce their managers to exhibit a certain type of behavior. In the second stage the managers compete...