Stephen Ryan

Myron Northrop Professor of Economics and Senior Associate Dean of Doctoral Programs

Stephen Ryan

Stephen Ryan

Area of Expertise

Econometrics, Environmental Economics, Health Economics


  • Ph D 2005, Duke University
  • BA 1999, Virginia Tech
  • BA 1999, Virginia Tech

Academic/Professional Activities

  • Editor, Associate Editor, Quantitative Marketing and Economics
  • Other, International Journal of Industrial Organization
  • Editor, Associate Editor, International Journal of Industrial Organization


  • 2022 Reid Teaching Award - MBA Program, Olin Business School, 2022
  • 2021 Reid Teaching Award - PMBA Program, Olin Business School, 2021
  • 2019 Reid Teaching Award - MBA Program, Olin Business School, 2019
  • GEA Graduate Student Adviser of the Year, MIT, 2011
  • Levitan Teaching Prize in the School of Humanities, Arts, and Sciences, 2010
  • Zellner Thesis Award in Business and Economic Statistics (Honorable Mention), 2006
  • Review of Economic Studies Tour, 2005

Research Interests

Industrial Organization, Applied Microeconometrics, Dynamic Games, Environmental Regulation, Health Economics

Selected Publications

  • "Machine Learning Methods for Demand Estimation", American Economic Review, Issue 5, 481-485, with Patrick Bajari, Denis Nekipelov, Miayou Yang, 2016
  • "Market-based Emissions Regulation and Industry Dynamics", Journal of Political Economy, Issue 1, 249-302, with Meredith Fowlie, Mar Regaunt-Rido, 2016
  • "Selection on Moral Hazard in Health Insurance ", American Economic Review, Issue 1, 178-219, with Liran Einav, Amy Finkelstein, Paul Schrimpf, Mark Cullen, 2013
  • "Incentives Work: Getting Teachers to Go to School", American Economic Review, Issue 4, 1241-1278, with Esther Duflo, Rema Hanna, 2012
  • "The Costs of Environmental Regulation in a Concentrated Industry", Econometrica, Issue 3, 1019-1061, 2012
  • "The Random Coefficients Logit Model is Identified", Journal of Econometrics, Issue 2, 204-212, with Patrick Bajari, Jeremy Fox, Kyoo-il Kim, 2012
  • "A Simple Estimator for the Distribution of Random Coefficients ", Quantitative Economics, Issue 3, 381-418, with Jeremy Fox, Kyoo-il Kim, Patrick Bajari, 2011
  • "Heterogeneity and the Dynamics of Technology Adoption", Quantitative Marketing and Economics, Issue 1, 63-109, with Catherine Tucker, 2012
  • "Identification and Estimation of a Discrete Game of Complete Information", Econometrica, Issue 5, 1529-1568, with Patrick Bajari, Han Hong, 2010
  • "Evaluating Wireless Consolidation Using Semiparametric Demand Estimation", Quantitative Marketing and Economics, Issue 4, 299-338, with Patrick Bajari, Jeremy Fox, 2008