NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH

The Long Shadow of Patent Expiration. Generic Entry and Rx-to-OTC Switches

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Ernst R. Berndt, Margaret Kyle, Davina Ling

Chapter in NBER book Scanner Data and Price Indexes (2003), Robert C. Feenstra and Matthew D. Shapiro, editors (p. 229 - 274)*
Published in January 2003

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