NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH

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

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)
Conference held September 15-16, 2000
Published in January 2003 by University of Chicago Press
© 2003 by the National Bureau of Economic Research
in NBER Book Series Studies in Income and Wealth

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