A. Arora, M. Ceccagnoli, and W. Cohen, R&D and the patent premium, International Journal of Industrial Organization, vol.26, issue.5, pp.1153-1179, 2008.
DOI : 10.1016/j.ijindorg.2007.11.004

S. B. Brunnermeier and M. A. Cohen, Determinants of environmental innovation in US manufacturing industries, Journal of Environmental Economics and Management, vol.45, issue.2, pp.278-293, 2003.
DOI : 10.1016/S0095-0696(02)00058-X

W. M. Cohen, R. R. Nelson, and J. P. Walsh, Protecting their Intellectual Assets: Appropriability Conditions and Why U.S. Manufacturing Firms Patent (or Not, 2000.
DOI : 10.3386/w7552

J. Crabb and D. Johnson, Fueling Innovation: The Impact of Oil Prices and CAFE Standards on Energy-Efficient Automotive Technology, The Energy Journal, vol.31, issue.1, 2010.
DOI : 10.5547/ISSN0195-6574-EJ-Vol31-No1-9

A. Dechezleprêtre, . Glachant, and Y. Ménière, What Drives the International Transfer of Climate Change Mitigation Technologies? Empirical Evidence from Patent Data, 2010.

A. Dechezleprêtre, M. Glachant, N. Johnstone, I. Hascic, and Y. Ménière, Invention and Transfer of Climate Change Mitigation Technologies: A Global Analysis. Review of Environmental Economics and Policy, 2011.

H. Dernis, D. Guellec, and B. Van-pottelsberghe, Using Patent Counts for Cross-Country Comparisons of Technology Output, STI Review, vol.27, 2001.

R. Frietsch and U. Schmoch, Technological Structures and Performance as Reflected by Patent Indicators, National Systems of Innovation in comparison. Structure and performance indicators for knowledge societies, 2006.
DOI : 10.1007/1-4020-4949-1_6

Z. Griliches, Patent Statistics as Economic Indicators: A Survey, Journal of Economic Literature, vol.28, issue.4, pp.1661-1707, 1990.
DOI : 10.3386/w3301

A. B. Jaffe and K. Palmer, Environmental Regulation and Innovation: A Panel Data Study, Review of Economics and Statistics, vol.8, issue.3, pp.610-619, 1997.
DOI : 10.1038/scientificamerican0491-168

N. Johnstone, I. Ha??i?, and D. Popp, Renewable Energy Policies and Technological Innovation: Evidence Based on Patent Counts, Environmental and Resource Economics, vol.29, issue.4, pp.133-155, 2008.
DOI : 10.1007/s10640-009-9309-1

W. Keller, Geographic Localization of International Technology Diffusion, American Economic Review, vol.92, issue.1, pp.120-142, 2002.
DOI : 10.1257/000282802760015630

W. Keller, International Technology Diffusion, Journal of Economic Literature, XLII, pp.752-782, 2004.

J. O. Lanjouw and A. Mody, Innovation and the international diffusion of environmentally responsive technology, Research Policy, vol.25, issue.4, pp.549-571, 1996.
DOI : 10.1016/0048-7333(95)00853-5

J. Lanjouw, A. Pakes, and J. Putnam, How to Count Patents and Value Intellectual Property: The Uses of Patent Renewal and Application Data, Journal of Industrial Economics, vol.46, issue.4, pp.405-432, 1998.
DOI : 10.1111/1467-6451.00081

G. Nemet, Demand-pull, technology-push, and government-led incentives for non-incremental technical change, Research Policy, vol.38, issue.5, pp.700-709, 2009.
DOI : 10.1016/j.respol.2009.01.004

K. Neuhoff, Large-Scale Deployment of Renewables for Electricity Generation, Oxford Review of Economic Policy, vol.21, issue.1, pp.88-110, 2005.
DOI : 10.1093/oxrep/gri005

R. G. Newell, A. B. Jaffe, and R. N. Stavins, The Induced Innovation Hypothesis and Energy-Saving Technological Change, The Quarterly Journal of Economics, vol.114, issue.3, pp.941-75, 1999.
DOI : 10.1162/003355399556188

W. Park, International patent protection: 1960???2005, Research Policy, vol.37, issue.4, pp.761-766, 2008.
DOI : 10.1016/j.respol.2008.01.006

G. Peri, Determinants of Knowledge Flows and Their Effect on Innovation, Review of Economics and Statistics, vol.65, issue.40, pp.308-322, 2005.
DOI : 10.1086/261725

D. Popp, Induced Innovation and Energy Prices, American Economic Review, vol.92, issue.1, pp.160-180, 2002.
DOI : 10.1257/000282802760015658

URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.333.4234

D. S. Popp and G. Japan, International innovation and diffusion of air pollution control technologies: the effects of NOX and SO2 regulation in the US, Japan, and Germany, Journal of Environmental Economics and Management, vol.51, issue.1, pp.46-71, 2006.
DOI : 10.1016/j.jeem.2005.04.006

D. Popp, T. Hafner, and N. Johnstone, Policy vs Consumer Pressure: Innovation and Diffusion of Alternative Bleaching Technologies in the Pulp Industry, 2007.
DOI : 10.3386/w13439

E. Verdolini and M. Gaelotti, At Home and Abroad: An Empirical Analysis of Innovation and Diffusion in Energy-Efficient Technologies. FEEM Working Paper, pp.123-2009, 2009.

. Wooldridge, Econometric Analysis of Cross Section and Panel Data, 2002.