Matthew Grennan is an expert in industrial organization economics. He applies theoretical and empirical models from industrial organization to antitrust, competitive strategy, and innovation issues.
A focus of Professor Grennan’s research is economic issues in the healthcare and life sciences industries. His work covers a range of antitrust and competition topics, including how bargaining and asymmetric information influence prices in business-to-business (B2B) transactions. He has analyzed the value provided by price transparency in hospital-supplier bargaining, hospital cost savings from mergers, and antitrust concerns about market power in the healthcare sector.
Professor Grennan’s research on innovation includes studies of demand spillovers in the medical device industry, technology adoption, and the regulation of innovation when product quality is uncertain. He has also analyzed the impact of physician payments on physicians’ use of pharmaceuticals and medical devices.
Professor Grennan has published articles in leading economics, management, and policy journals, including the American Economic Review, the Journal of Political Economy, Management Science, and Health Affairs. His coauthored paper “Regulating Innovation with Uncertain Quality: Information, Risk, and Access in Medical Devices” was awarded the PURC Prize for Best Paper in Regulatory Economics at the 2018 International Industrial Organization Conference.
Before joining the Haas School of Business, Professor Grennan served on the faculty of the Wharton School, University of Pennsylvania. He has taught courses on healthcare entrepreneurship, data analytics, and technology strategy and has won multiple awards for excellence in teaching. He is a faculty research fellow in the healthcare and industrial organization programs at the National Bureau of Economic Research (NBER).
Professor Grennan has been retained as an expert witness in antitrust, fraud, intellectual property, and breach of contract matters and has testified in deposition.