NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH

Technology Variation vs. R&D Uncertainty: What Matters Most for Energy Patent Success?

David Popp, Nidhi Santen, Karen Fisher-Vanden, Mort Webster

NBER Working Paper No. 17792
Issued in January 2012

---- Acknowledgements -----

This work was supported by NSF grant # 0825915. 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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