NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH

Investments in Pharmaceuticals Before and After TRIPS

Margaret Kyle, Anita McGahan

NBER Working Paper No. 15468
Issued in October 2009

---- Acknowledgements -----

Intan Hamdan-Livramento and Walter Park generously shared their data on country-level patent protection. We also thank Ashish Arora, Joel Baum, Iain Cockburn, Mercedes Delgado, Pierre Dubois, Kira Fabrizio, Martin Fleming, Rebecca Henderson, Francesco Lissoni, Keith Maskus, Yi Qian, LG Thomas and Hannu Wager; participants in the Academy of Management, Atlanta Competitive Advantage Conference, DRUID, Duke Strategy Conference, MIT BPS Conference, Wharton Technology Conference, Markets for Technology Conference and NBER Summer Institute; and participants in seminars at Bocconi University, HEC Lausanne, the University of Illinois, the University of St. Andrews and the Stanford SIEPR Center for comments and discussions. All errors remain our own. The views expressed herein are those of the author(s) and do not necessarily reflect the views of the National Bureau of Economic Research.

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