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Invention and transfer of climate change-mitigation technologies: A global analysis

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  • Antoine Dechezleprêtre

    ()
    (Grantham Research Institute on Climate Change and the Environment - London School of Economics and Political Science)

  • Matthieu Glachant

    (CERNA - Centre d'économie industrielle - École Nationale Supérieure des Mines - Paris (ParisTech))

  • Ivan Hascic

    (Empirical Policy Analysis Unit - OECD)

  • Nick Johnstone

    (Empirical Policy Analysis Unit - OECD)

  • Yann Ménière

    ()
    (CERNA - Centre d'économie industrielle - École Nationale Supérieure des Mines - Paris (ParisTech))

Abstract

This article uses the European Patent Office Worldwide Patent Statistical Database to examine the geographic distribution and global diffusion of inventions in thirteen climate-mitigation technologies since 1978. The data suggest that until 1990 innovation was driven mostly by energy prices. Since then, environmental policies, and, more recently, climate policies, have accelerated the pace of innovation. The data also indicate that innovation is highly concentrated in three countries-Japan, Germany, and the United States-which together account for 60 percent of total inventions. Surprisingly, the contribution of emerging economies is far from negligible as China and Brazil together account for about 10 percent of total inventions. However, inventions from emerging economies are less likely to find markets beyond their borders, suggesting that inventions from emerging economies have less value. More generally, international transfers occur mostly between developed countries (73 percent of all exported inventions). Exports from developed countries to emerging economies are still limited (22 percent) but are growing rapidly, especially to China.

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Bibliographic Info

Paper provided by HAL in its series Post-Print with number hal-00488214.

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Date of creation: 2011
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Publication status: Published, Review of Environmental Economics and Policy, 2011, 5, 1, 109-130
Handle: RePEc:hal:journl:hal-00488214

Note: View the original document on HAL open archive server: http://hal-ensmp.archives-ouvertes.fr/hal-00488214
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Related research

Keywords: climate change; conference proceeding; environmental economics; environmental policy; environmental technology; export; mitigation;

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  8. Blackman, Allen, 1999. "The Economics of Technology Diffusion: Implications for Climate Policy in Developing Countries," Discussion Papers dp-99-42, Resources For the Future.
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