Mark Duggan is The Trione Director of SIEPR and The Wayne and Jodi Cooperman Professor of Economics at Stanford University. He received his B.S. and M.S. degrees in Electrical Engineering at M.I.T. in 1992 and 1994, respectively, and his Ph.D. in Economics from Harvard University in 1999. He is also a Research Associate at the National Bureau of Economic Research and serves on the Editorial Board of the American Economic Journal: Economic Policy. Before arriving to Stanford in the summer of 2014, Duggan served as the Rowan Family Foundation Professor at the University of Pennsylvania's Wharton School and was also the Faculty Director of the Penn Wharton Public Policy Initiative and the Chair of Wharton's Business Economics and Public Policy Department. Professor Duggan's research focuses on the health care sector and also on the effects of government expenditure programs such as Social Security, Medicare, and Medicaid on the behavior of individuals and firms. Some of his more recent research is exploring the effect of federal disability programs on the labor market and of the Affordable Care Act on the labor market and health care costs. His research has been published in leading academic journals including the American Economic Review, the Journal of Political Economy, and the Quarterly Journal of Economics and has been featured in many media outlets including The Economist, The New York Times, and The Wall Street Journal.