We introduce the notion of verifiable information into a model of sequential debate among experts who are motivated by … career concerns. We show that self-censorship may hamper the efficiency of information aggregation, as experts withhold … phenomenon, and the probability of the correct state of the world being revealed always converges to one as the group of experts …

We experimentally investigate the role of second opinions in markets where experts like doctors both diagnose and … provide the services. Experts may exploit their informational advantage over customers and overtreat by providing a more …