I study a platform-mediated two-sided matching with incomplete information. Platform users voluntarily disclose their taste information to the platform, and the platform aggregates and redistributes the collected information back to each user before they form matches. I characterize conditions...

We consider a platform facilitating trade between sellers and buyers with the objective of maximizing consumer surplus. Even though in many such marketplaces prices are set by revenue-maximizing sellers, platforms can influence prices through (i) price-dependent promotion policies that can...

Ridesharing has become ubiquitous throughout the United States, leading to a proliferation of academic studies and policy debates about its welfare implications. However, the overall social value of a ridesharing platform is still unclear because prior literature focuses only on the supply side...