We consider a monopolistic certifier selling certification services to a partially privately informed seller. The certifier can enable the seller to disclose her private information publicly, as well as gather additional market information about the good's quality publicly. We show that the...

We develop a model of dealer-intermediated over-the-counter (OTC) markets in which customers choose their relationship dealers and dealers choose their levels of expertise, thereby determining the market structure and price informativeness jointly. We find that, in general, multiple equilibria...