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...

A monopolistic seller is marketing a good to a customer whose willingness to pay is determined by both his private type and the “quality.” The seller can design a menu of both prices and experiments - that reveal information about quality. We show that the optimal mechanism features both...