A game theorist, he studies game theory topics in repeated games, mechanism design, social networks, and contracts, as well as applied theory topics in industrial organization, finance, and computer science. For example, some of his current research seeks to understand how players in a social network can sustain cooperation by communicating strategically about who should be temporarily "ostracized" for cheating. He holds a Ph.D. in Economics from Stanford and an A.B. in Environmental Science and Public Policy from Harvard. Read more...