When a firm is able to recognize its previous customers, it may use information about their purchase histories to price discriminate. We analyze a model with a monopolist and a continuum of heterogeneous consumers, where consumers are able to maintain their anonymity and avoid being identified...

We compare the private and social incentives for privacy when sellers can commit to transparent privacy policies that are understood by consumers. The purpose is to establish a baseline for how well markets perform when firms' privacy policies are common knowledge. In this setting, if the market...

When a firm can recognize its previous customers, it may use information about their past purchases in order to price discriminate. We study a model with a monopolist and a continuum of heterogeneous consumers, where consumers have the ability to maintain their anonymity and avoid being...

In markets where duopolists supply differentiated products with certain degree of complementarity, not only can each consumer choose to buy one unit from a particular seller (single-purchase), the consumer may also choose to buy from different sellers simultaneously (multi-purchase) for brand...

The development of new technologies in the last few years turned internet into a commercial medium that has transformed businesses all over the world. Indeed, we can be connected to internet from anywhere and anytime we want, with just one click. This evolution made the world interconnected and...