Does generic entry always increase consumer welfare?
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This article examines how the nature of competition between brands in a therapeutic category changes after generic entry and provide a framework for analyzing the effect of generic entry on consumer welfare that takes into account the generic free riding problem. It demonstrates that changes in competition along dimensions other than retail price--such as competition in research and development efforts and in promotional activities--may, in certain situations, result in generic entry having an overall negative impact on consumer welfare.
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Professor Emeritus of Economics
Professor Grabowski specializes in the investigation of economics in the pharmaceutical industry, government regulation of business, and the economics of innovation. His specific interests within these fields include intellectual property and generic competition issues, the effects of government policy actions, and the costs and returns to pharmaceutical R&D. He has been publishing research papers for over four decades, from his earlier work, “The Effects of Regulatory Policy on the Incentives
Walter M. Upchurch, Jr. Distinguished Professor of Business Administration
Tracy Lewis is Professor of Economics at the Fuqua School of Business at Duke University, where he holds the Black Chair in Economics. Professor Lewis founded the Innovation Center at the University. Prior to joining the Duke University Faculty in 2003, he served on the faculties at the University of Florida, at the California Institute of Technology, the University of British Columbia, and the University of California, Davis. Aside from academic employment, he has also held positions at the Fed
Alphabetical list of authors with Scholars@Duke profiles.