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Climate-friendly technologies in the mobile air-conditioning sector: A patent citation analysis

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  • Tilmann Rave

    ()

  • Frank Goetzke

Abstract

The development of climate-friendly technologies and its diffusion across countries is of key importance to slow climate change. This paper considers technologies in the mobile air-conditioning (MAC) sector which is a major contributor of fluorinatedgreenhouse gas emissions. Using patents as an indicator of innovations and patent citations as a proxy for knowledge flows the inducement of new environmental and non-environmental technologies and its diffusion within and across countries and withinand across patent applicant- and firm-types is analyzed. We find that most environmental patents originate from Germany and the US and are filed by individuals rather than firms. Most knowledge flows take place within countries. Regarding cross-countryflows most environmental knowledge diffuses from French and German patents, which is likely to be a result of regulatory activities in Europe and intensified research on environmentally benign MAC systems. Yet, this exchange of knowledge is not very intensive and stable, so that the impact of EU regulations on US and Japanese patenting behaviour remains fairly weak.

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Bibliographic Info

Paper provided by Ifo Institute for Economic Research at the University of Munich in its series Ifo Working Paper Series with number Ifo Working Paper No. 99.

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Date of creation: 2011
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Handle: RePEc:ces:ifowps:_99

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Keywords: Environmental innovation; patent; count data models;

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  1. Jaffe, A.B. & Trajtenberg, M., 1992. "Geographic Localization of Knowledge Spillovers as Evidenced by Patent Citations," Papers, Tel Aviv 14-92, Tel Aviv.
  2. Antoine Dechezlepretre & Matthieu Glachant & Ivan Hascic & Nick Johnstone & Yann Meniere, 2010. "Invention and transfer of climate change mitigation technologies on a global scale: a study drawing on patent data," LSE Research Online Documents on Economics, London School of Economics and Political Science, LSE Library 37590, London School of Economics and Political Science, LSE Library.
  3. Antoine Dechezlepr�tre & Matthieu Glachant & Ivan Haščič & Nick Johnstone & Yann Ménière, 2011. "Invention and Transfer of Climate Change--Mitigation Technologies: A Global Analysis," Review of Environmental Economics and Policy, Association of Environmental and Resource Economists, vol. 5(1), pages 109-130, Winter.
  4. Popp, David, 2006. "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, Elsevier, vol. 51(1), pages 46-71, January.
  5. Rennings, Klaus & Beise, Marian, 2003. "Lead Markets of Environmental Innovations: A Framework for Innovation and Environmental Economics," ZEW Discussion Papers, ZEW - Zentrum für Europäische Wirtschaftsforschung / Center for European Economic Research 03-01, ZEW - Zentrum für Europäische Wirtschaftsforschung / Center for European Economic Research.
  6. Dietmar Harhoff & Francis Narin & F. M. Scherer & Katrin Vopel, 1999. "Citation Frequency And The Value Of Patented Inventions," The Review of Economics and Statistics, MIT Press, vol. 81(3), pages 511-515, August.
  7. Giovanni Peri, 2005. "Determinants of Knowledge Flows and Their Effect on Innovation," The Review of Economics and Statistics, MIT Press, vol. 87(2), pages 308-322, May.
  8. Elena Verdolini & Marzio Galeotti, 2009. "At Home and Abroad: An Empirical Analysis of Innovation and Diffusion in Energy-Efficient Technologies," Working Papers, Fondazione Eni Enrico Mattei 2009.123, Fondazione Eni Enrico Mattei.
  9. Lanjouw, Jean Olson & Mody, Ashoka, 1996. "Innovation and the international diffusion of environmentally responsive technology," Research Policy, Elsevier, Elsevier, vol. 25(4), pages 549-571, June.
  10. Christoph Jeßberger, 2011. "Multilateral Environmental Agreements up to 2050: Are They Sustainable Enough?," Ifo Working Paper Series, Ifo Institute for Economic Research at the University of Munich Ifo Working Paper No. 98, Ifo Institute for Economic Research at the University of Munich.
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