LDI Visiting Scholars

A Penn LDI affiliation reserved for outstanding researchers in health policy or health economics with primary faculty appointments at other universities. To qualify for this appointment for an academic year the faculty members must either have an extended stay at LDI (typically during a sabbatical) or provide a significant contribution to LDI publications and scholarship.



Mark Hall, JD, is Director of the Health Law and Policy Program at Wake Forest University School of Law. He is one of the nation’s leading scholars in the areas of health care law, public policy, and bioethics. The author or editor of twenty books, including Making Medical Spending Decisions and Health Care Law and Ethics, Prof. Hall is currently engaged in research in the areas of health care reform, access to care by the uninsured, and insurance regulation. Prof. Hall has published scholarship in the law reviews at Berkeley, Chicago, Duke, Michigan, Pennsylvania, and Stanford, and his articles have been reprinted in a dozen casebooks and anthologies. He also teaches in the University's Graduate Programs for Bioethics and its MBA program, and he is on the research faculty at the Medical School. Prof. Hall regularly consults with government officials, foundations and think tanks about health care public policy issues.


William Comanor, PhD, is a Professor of Economics at the University of California, Santa Barbara and  Director of the UCLA Research Program in Pharmaceutical Economics and Policy. His doctoral dissertation at Harvard University was entitled: “The Economics of Research and Development in the Pharmaceutical Industry;” and he has continued to study, lecture, publish, and consult on many issues dealing with pharmaceutical economics. He received his PhD in economics from Harvard University and was a post-doctoral fellow at the London School of Economics. In addition to his academic positions, Dr. Comanor has  served as Special Economic Assistant to the head of the Antitrust Division at the U.S. Department of Justice in 1965-66, and also as Chief Economist and Director of the Bureau of Economics at the U.S. Federal Trade Commission from 1978 to 1980.


Jody Sindelar, PhD, is a Professor of Public Health and Economics at the Yale School of Public Health Department of Health Policy and Management, and at the Yale University Department of Economics. In addition, she is a Research Associate at the National Bureau Economic Research, Research Fellow at the IZA Institute of Labor Economics, Associated Faculty at the Institution for Social and Policy Studies at Yale, Bing Visiting faculty at Rand Corporation in Santa Monica, CA and Washington, DC, and has been the President-elect, President, Past President & founding member of the American Society of Health Economists. She is an expert on the economics of substance abuse, including alcoholism, illicit drugs and smoking, as well as obesity. Her studies include lost productivity, cost-effectiveness of treatments, social costs, and policy.

Jean Abraham, PhD

Jean Abraham, PhD, is the Wegmiller Professor and Director of the Master of Healthcare Administration program in the School of Public Health at the University of Minnesota. Her research focuses on employer and employee decision-making with respect to health benefits; employer wellness program evaluation; and understanding the impact of the Affordable Care Act on insurers, employers, and consumers. For the 2008–2009 academic year, Dr. Abraham served as the senior economist on health issues with the President’s Council of Economic Advisers in Washington, D.C. Dr. Abraham earned a BA in economics and political science from the University of Arizona, and a PhD in public policy analysis and management from Carnegie Mellon University.


Stacey McMorrow, PhD

Stacey McMorrow, PhD, is a senior research associate in the Health Policy Center at the Urban Institute with extensive experience using quantitative methods to study the factors that affect individual health insurance coverage and access to care as well as the impacts of state and national health reforms on employers and individuals. Her current work uses the Affordable Care Act and past Medicaid expansions to explore the effects of expanding insurance coverage on access to care, service use and health outcomes for various populations. Other research interests include the role of community health centers and safety net providers under health reform, receipt of preventive and reproductive health services among women, barriers to care for low-income children, and the market-level effects of insurance expansions. She received her PhD in Health Economics from the University of Pennsylvania.

Michael Morrisey, PhD

Michael Morrisey, PhD, a health economist, is professor and head of the Department of Health Policy & Management at the Texas A&M University School of Public Health. His research interests have largely focused on employer-sponsored health insurance and on the effects of legislation and regulation in health and health care. He is the author of the graduate textbook, Health Insurance, now in its second edition (Health Administration Press, 2014), 4 other books, and more than 200 papers on health economics and health policy. Dr. Morrisey’s insurance research is currently examining the functioning of the insurance exchange. His work on the effects of regulation and legislation has focused on medical malpractice and motor vehicle safety. Dr. Morrisey is an adjunct scholar at AEI, a fellow of the Employee Benefits Research Institute, a visiting scholar at the Leonard Davis Institute for Health Economics at the University of Pennsylvania, and a professor emeritus of economics at the University of Alabama at Birmingham. He is the treasurer of the American Society of Health Economists and for 10 years was an officer of the International Health Economics Association. Dr. Morrisey was the first recipient of the John Thompson Young Investigator Award in Health Services Research, given by the Association of University Programs in Health Administration. Before joining the Texas A&M faculty in 2014, he was a professor of health economics at the University of Alabama at Birmingham and director of the Lister Hill Center for Health Policy. Prior to that he was senior economist with the American Hospital Association in Chicago. He holds a PhD in economics from the University of Washington.

Anne Beeson Royalty, PhD

Anne Beeson Royalty, PhD, is Professor of Economics in the Department of Economics at Indiana University Purdue University Indianapolis (IUPUI) and Director of the PhD Program in Economics. She also serves as the Director of the Center for Health Economics Research at IUPUI. She received her BA from the University of North Carolina at Chapel Hill in 1983 and her PhD from Yale University in 1993. Prior to joining the IUPUI Department of Economics, she was on the faculty of the Department of Economics at Stanford University. Professor Royalty’s current research focuses on two areas: 1) the organization of physician practices and its effect on delivery and cost of care and 2) employment effects of the Affordable Care Act. In her prior research she has analyzed questions such as how workers choose among health plans offered by the employer, how much workers value the health insurance provided by the employer, the effect of the income tax preference for fringe benefits on the provision of employer-provided health insurance, the sources of health care cost growth, and the effects of physician market power on prices for physician services. Professor Royalty has published in a number of academic journals including Journal of Health Economics, Journal of the American Medical Association, Journal of Human Resources, Journal of Labor Economics, and Journal of Public Economics. Her research has been supported by numerous grants including grants from the U.S. Department of Labor, the Robert Wood Johnson Foundation, the Russell Sage Foundation and the National Science Foundation. In Spring 2010, Professor Royalty was named Outstanding Distinguished Faculty at the School of Liberal Arts at IUPUI.