Jason M. Fletcher PhD, M.S.

Associate Professor of Public Health (Health Policy); Faculty Research Fellow, NBER; Research Fellow, IZA

Research Interests

Social networks; Gene-Environment Interactions; Adolescent depression; Causal inference; AD/HD; Obesity; Health behaviors

Current Projects

  • Examining Gene-Policy Interactions
  • Using Genetic Variation to Estimate the Causal Effects of Poor Health on Socioeconomic outcomes
  • Estimating the Importance of Social Influences on Education and Health Outcomes;
  • Examining determinants and consequences of adolescent fertility
  • Addressing the Long-term Consequences of Childhood ADHD
  • Assessing Inclusion Policies for Students with Physical and Mental Disabilities
  • The Causes and Consequences of Adolescent Depression
  • Long-term Impacts of Occupational Choices and Stress

Research Summary

Professor Fletcher’s research focuses on examining social network effects on adolescent education and health outcomes, combining genetics and social science research, estimating long-term consequences of childhood mental illness, and child and adolescent mental health policy. Specific areas include adolescent depression, child and adolescent obesity, Attention Deficit Hyperactivity Disorder (ADHD), and adolescent risky behavior choices. He is also examining the long term health consequences of occupation choices and occupational stress.

Extensive Research Description

Jason Fletcher is an associate professor in the Division of Health Policy Administration at the Yale School of Public Health. His research focuses on examining social network effects on adolescent education and health outcomes, combining genetics and social science research, estimating long-term consequences of childhood mental illness and child and adolescent mental health policy. Specific areas include adolescent depression, child and adolescent obesity, Attention Deficit Hyperactivity Disorder and adolescent risky behavior choices. Dr. Fletcher also examines the long-term health consequences of occupation choices and occupational stress.

Dr. Fletcher received his M.S. and Ph.D. from the University of Wisconsin-Madison. He was awarded a graduate research fellowship from the Institute for Research on Poverty and later received the Research Fellowship in Education and Adolescent Health from the American Education Research Association. Dr. Fletcher is a recipient of the Victor Fuchs Research Award in HealthEconomics, the Dorothy S. Thomas Award from the Population Association of America and the AEFA New Scholars Award, given by the American Education Finance Association; and has been recognized as a Robert Wood Johnson Health & Society scholar.


Selected Publications

  • Fletcher, JM and SF Lehrer. “Genetic Lotteries within Families.” Journal of Health Economics 2011, 30(4): 647-659
  • Bifulco, R., J.M. Fletcher, and S.L. Ross. “The Effect of Classmate Characteristics on Post-Secondary Outcomes: Evidence from the Add Health.” American Economic Journal: Economic Policy 2011 3(1): 25–53
  • Fletcher, JM, DE Frisvold, and N Tefft. "The Effects of Soft Drink Taxation on Soft Drink Consumption and Weight for Children and Adolescents." Journal of Public Economics 2010, 94 (11-12): 967-974
  • Fletcher, J.M. Social Interactions and Smoking: Evidence using Multiple Student Cohorts, Instrumental Variables, and School Fixed Effects, Health Economics, 2010, 19(4) 466-484
  • Fletcher, J.M., D.E. Frisvold, and Tefft, N. "Taxing Soft Drinks and Restricting Access to Vending Machines to Curb Child Obesity." Health Affairs, May 2010, 29 (5): 1059–1066
  • Fletcher, J.M. and Wolfe B.L. Education and Labor Market Consequences of Teenage Childbearing: Evidence Using the Timing of Pregnancy Outcomes and Community Fixed Effects. Journal of Human Resources, 2009, 44: 303-325
  • Cohen-Cole, E. and Fletcher, J.M. Detecting Implausible Social Network Effects in Acne, Height, and Headaches: Longitudinal Analysis. British Medical Journal, 2008, 337: a2533.
  • Cohen-Cole, E. and Fletcher, J.M. Is Obesity Contagious? Social Networks vs. Environmental Factors in the Obesity Epidemic. Journal of Health Economics 2008, 27 (5): 1382-1387.
  • Fletcher, J.M. and Wolfe, B.L. Child Mental Health and Human Capital Accumulation: The Case of ADHD Revisited. Journal of Health Economics, 2008, 27 (3): 794-800.
  • Fletcher, J.M. Social Multipliers in Sexual Initiation Decisions among U.S. High School Students. Demography 44(2): 373-388, 2007.

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