This paper studies the role of exchange policies as a price discrimination device in a sequential screening model with heterogeneous goods. In the first period, agents are uncertain about their ordinal preferences over a set of horizontally differentiated goods, but have private information...

We modify the dynamic pivot mechanism of Bergemann and VAalimAaki (Econometrica, 2010) in such a way that lump-sum fees are collected from the players. We show that the modi?ed mechanism satis?es ex-ante budget balance as well as ex-post e¡¾ciency, periodic ex-post incentive compatibility, and...

This paper studies the role of exchange policies as a price discrimination device in a sequential screening model with heterogeneous goods. In the first period, agents are uncertain about their ordinal preferences over a set of horizontally differentiated goods, but have private information...