Identifying Technology Spillovers and Product Market Rivalry
---- Acknowledgements -----
We would like to thank Philippe Aghion, Lanier Benkard, Sharon Belenzon, Bronwyn Hall, Adam Jaffe, Francis Kramarz, Dani Rodrik, Scott Stern, Joel Waldfogel and seminar participants in CEPR, Columbia, Harvard, Hebrew University, INSEE, LSE, Michigan, NBER, Northwestern, NYU, San Franscico Fed, San Diego and Tel Aviv for helpful comments. Finance was provided by the ESRC. The views expressed herein are those of the author(s) and do not necessarily reflect the views of the National Bureau of Economic Research.