Innovation and Diffusion of Clean/Green Technology: Can Patent Commons Help?

Bronwyn H. Hall, Christian Helmers

NBER Working Paper No. 16920
Issued in March 2011

---- Acknowledgements -----

Previous versions of this paper have been presented at the SEEK ZEW Conference, March 2011, the ZEW Workshop on the Economics of Green IT, November 2010, the EPIP Annual Meeting in Maastricht, The Netherlands, September 2010, IP Scholars Conference 2010, Berkeley Center for Law and Technology, August 2010, the Workshop on Innovation without Patents, Sciences Po, Paris, June 2010, and seminars at the University of Oxford and Copenhagen Business School. We thank participants in these conferences and seminars for useful comments. We also acknowledge helpful comments from Dirk Czarnitzki and Katrin Cremers. Philipp Schautschick provided excellent research assistance. The views expressed herein are those of the authors and do not necessarily reflect the views of the National Bureau of Economic Research.

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