Where Does Energy R&D Come From? Examining Crowding Out from Environmentally-Friendly R&D
---- Acknowledgements ----
We thank Neelakshi Medhi for excellent research assistance, and Rebecca Henderson, Iain Cockburn, Nat Keohane, and seminar participants at the 2008 AEA Winter Meetings, 2008 Spring NBER Productivity Meeting and the U.S. Environmental Protection Agency's National Center for Environmental Economics for helpful comments on earlier drafts. This research was supported by the Office of Science (BER), U.S. Department of Energy, Grant No. DE-FG02-04ER63927. The views expressed herein are those of the author(s) and do not necessarily reflect the views of the National Bureau of Economic Research.