Professor Fang is an applied microeconomist with broad theoretical and empirical interests focusing on public economics. His research integrates rigorous modeling with careful data analysis and has focused on the economic analysis of discrimination; insurance markets, particularly life insurance and health insurance; and health care, including Medicare. In 2008, Professor Fang was awarded the 17th Kenneth Arrow Prize by the International Health Economics Association (iHEA) for his research on the sources of advantageous selection in the Medigap insurance market. 

Professor Fang is currently working on issues related to insurance markets, particularly the interaction between the health insurance reform and the labor market. He has served as co-editor for the Journal of Public Economics and International Economic Review, and associate editor in numerous journals, including the American Economic Review. 

Professor Fang received his Ph.D. in Economics from the University of Pennsylvania in 2000. Before joining the Penn faculty, he held positions at Yale University and Duke University.  He is a research associate at the National Bureau of Economic Research, where he served as the acting director of the Chinese economy working group from 2014 to 2016. He is also a research associate of the Population Studies Center and Population Aging Research Center, and a senior fellow at the Leonard Davis Institute of Health Economics at the University of Pennsylvania.