His research interests are in industrial organisation, health economics, and applied microeconomic theory. Recently, he has examined the impact of insurer competition in health care markets on premiums and provider reimbursement rates, the determination of equilibrium health care provider networks, and the welfare effects of vertical integration in content distribution and platform markets. Lee is also a Faculty Research Fellow at the National Bureau of Economic Research and has previously served on the faculty at New York University Stern School of Business. He received his A.B. and A.M. in Economics and his Ph.D. in Business Economics from Harvard.