This paper studies the matching of opportunities with talent when costly diagnosis confers an informational advantage to the agent undertaking it. When this agent is underqualified, adverse selection prevents efficient referrals through fixed-price contracts. Spot-market contracts that rely on...

When should expertise be shared in markets and when in firms? Knowledge exchanges in the market involve less information about the quality of the provider's expertise, but facilitate good utilization of experts' knowledge. In a firm, management holds soft information about individuals' expertise...