Before revision:  In this paper we study the following information disclosure problem of a two-sided market:  how much of its available information about  sellers' quality should the platform share with buyers to maximize its revenue? One key innovation in our analysis is to reduce the study of optimal information disclosure policies to a constrained price discrimination problem.
After revision:  In this paper we study the following information disclosure problem of a two-sided market: how much of its available information about sellers' quality should the platform share with buyers to maximize its  constrained price discrimination problem.