W. Bentley MacLeod is Sami Mnaymneh professor of economics, professor of international and public affairs, and an affiliated law faculty at Columbia University in New York City. He is a specialist in law, labor, and contract economics, with a focus on how incentives are designed to take into account the complex interplay between reputation effects, market competition, and social norms. Current projects include incentives and school choice, the economics of contract and tort law, the economics of performance pay, and the economics of physician diagnostic choice.