Gautam Gowrisankaran is an expert in industrial organization, healthcare economics, and energy and environmental economics. Professor Gowrisankaran has analyzed issues of market definition and market power, the competitive effects of mergers, and claims of attempted monopolization. He has also addressed allegations of tying, foreclosure, and other exclusionary practices arising in such industries as healthcare, consumer goods, high-tech products, payment services, and transportation.
An experienced expert witness, Professor Gowrisankaran has been retained by federal and state agencies as well as by private clients in numerous high-profile mergers, antitrust litigation matters, and consumer class actions. His trial testimony includes United States of America et al. v. JetBlue Airways Corporation and Spirit Airlines Inc.; United States et al. v. UnitedHealth Group Inc. and Change Healthcare Inc.; Sidibe v. Sutter Health; In re: Purdue Pharma L.P. et al.; and Federal Trade Commission v. Hackensack Meridian Health Inc. and Englewood Healthcare Foundation. He has consulted to the Federal Trade Commission (FTC) on retail and technology issues and the Antitrust Division of the Department of Justice (DOJ) on airline matters and mergers in the healthcare space.
In his research, Professor Gowrisankaran conducts both theoretical and empirical studies of topics related to industrial organization and competition. He has particular expertise in industries that are highly regulated and exhibit rapid technological change, such as healthcare and energy, as well as markets in which prices are negotiated.
One focus of Professor Gowrisankaran’s recent research is energy, including renewable energy integration, electricity regulation in the presence of energy transitions, and enforcement of environmental laws. He has also analyzed a variety of issues in healthcare markets, such as hospital competition, the impact of countervailing health insurer market power, and the price impact of hospital mergers.
A prolific author, Professor Gowrisankaran has published research in leading economics journals, including the American Economic Review, Econometrica, and the Journal of Political Economy. He has served on the editorial boards of several academic journals, including the American Economic Review and the RAND Journal of Economics. In addition, Professor Gowrisankaran has written analyses for a legal audience, including in the Antitrust Law Journal. He has been honored with best paper awards and recommended by Lexology Index (formerly Who’s Who Legal) as a leading competition economist and consulting expert in the competition field.
Global Competition Review recognized Professor Gowrisankaran in its inaugural list of the world’s most important antitrust academics. He was also honored in Lexology’s 2022 Client Choice list.
Prior to joining the faculty at Columbia, Professor Gowrisankaran was a tenured professor of economics and the Peter and Nancy Salter Chair in Healthcare Management at the University of Arizona. He has held visiting academic appointments at Northwestern University, the University of Chicago, Yale University, and Harvard University, among others.
Professor Gowrisankaran serves on the U.S. Congressional Budget Office Health Advisory Panel. He is a research associate at the National Bureau of Economic Research (NBER) and a research fellow at the Center for Economic and Policy Research (CEPR).
Six Cornerstone Research Experts Receive 2025 Lexology Client Choice Recognition
Gautam Gowrisankaran and Kostis Hatzitaskos Receive 2024 Antitrust Enforcement Award
United States of America et al. v. JetBlue Airways Corporation and Spirit Airlines Inc.
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