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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 fluorinated greenhouse 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 within and 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-country flows 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.

Suggested Citation

  • Tilmann Rave & Frank Goetzke, 2011. "Climate-friendly technologies in the mobile air-conditioning sector: A patent citation analysis," ifo Working Paper Series 99, ifo Institute - Leibniz Institute for Economic Research at the University of Munich.
    • Handle: RePEc:ces:ifowps:_99
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    Cited by:

    1. Markus Zimmer & Rahel Aichele & Anna Sophia Ciesielski & Julian Dieler & Ana Maria Montoya Gómez & Tilmann Rave, 2017. "Integrated Assessment of the Instruments and the Fiscal and Market-Based Incentives of International Climate Change Policies and their Impacts (IACCP)," ifo Forschungsberichte, ifo Institute - Leibniz Institute for Economic Research at the University of Munich, number 81.
    2. George Halkos & Antonis Skouloudis, 2021. "Environmental technology development and diffusion: panel data evidence from 56 countries," Environmental Economics and Policy Studies, Springer;Society for Environmental Economics and Policy Studies - SEEPS, vol. 23(1), pages 79-92, January.
    3. Sovacool, Benjamin K. & Griffiths, Steve & Kim, Jinsoo & Bazilian, Morgan, 2021. "Climate change and industrial F-gases: A critical and systematic review of developments, sociotechnical systems and policy options for reducing synthetic greenhouse gas emissions," Renewable and Sustainable Energy Reviews, Elsevier, vol. 141(C).
    4. Mafini Dosso & Didier Lebert, 2019. "A geography of corporate knowledge flows across world regions: evidence from patent citations of top R&D-investing firms," JRC Working Papers on Corporate R&D and Innovation 2019-03, Joint Research Centre.
    5. Raffaele Anedda, 2021. "La qualité technologique des brevets : deux lectures structurales," Post-Print halshs-03289528, HAL.

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    More about this item

    JEL classification:

    • Q55 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Environmental Economics: Technological Innovation
    • O33 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - Technological Change: Choices and Consequences; Diffusion Processes
    • O38 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - Government Policy
    • C21 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Cross-Sectional Models; Spatial Models; Treatment Effect Models

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