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Knowledge sources and impacts on subsequent inventions: Do green technologies differ from non-green ones?

Author

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  • Nicolò Barbieri

    (University of Ferrara; SEEDS, Italy)

  • Alberto Marzucchi

    (SPRU, Science Policy Research Unit, University of Sussex (UK))

  • Ugo Rizzo

    (University of Ferrara, and SEEDS, Italy)

Abstract

The paper investigates the nature and impact of green technological change. We focus on the search and impact spaces of green inventions: we explore the knowledge recombination processes leading to the generation of inventions and their impact on subsequent technological developments. Using a large sample of patents, filed during the period 1980-2012, we employ established patent indicators to capture the complexity, novelty and impact of the invention process. Technological heterogeneity is controlled for by comparing green and non-green technologies within narrow technological domains. We find that green technologies are more complex and appear to be more novel than non-green technologies. In addition, they have a larger and more pervasive impact on subsequent inventions. The larger spillovers of green technologies are explained only partially by novelty and complexity.

Suggested Citation

  • Nicolò Barbieri & Alberto Marzucchi & Ugo Rizzo, 2019. "Knowledge sources and impacts on subsequent inventions: Do green technologies differ from non-green ones?," SEEDS Working Papers 0819, SEEDS, Sustainability Environmental Economics and Dynamics Studies, revised Aug 2019.
  • Handle: RePEc:srt:wpaper:0819
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    10. Ardito, Lorenzo & Petruzzelli, Antonio Messeni & Ghisetti, Claudia, 2019. "The impact of public research on the technological development of industry in the green energy field," Technological Forecasting and Social Change, Elsevier, vol. 144(C), pages 25-35.
    11. Nicoló Barbieri & François Perruchas & Davide Consoli, 2020. "Specialization, Diversification, and Environmental Technology Life Cycle," Economic Geography, Taylor & Francis Journals, vol. 96(2), pages 161-186, March.
    12. Davide Castellani & Giovanni Marin & Sandro Montresor & Antonello Zanfei, 2020. "Foreign Direct Investments and Regional Specialization in Environmental Technologies," SEEDS Working Papers 0620, SEEDS, Sustainability Environmental Economics and Dynamics Studies, revised Apr 2020.
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    14. Zhao Qu & Shanshan Zhang, 0. "References to literature from the business sector in patent documents: a case study of charging technologies for electric vehicles," Scientometrics, Springer;Akadémiai Kiadó, vol. 0, pages 1-20.
    15. Barbieri, Nicolò & Consoli, Davide, 2019. "Regional diversification and green employment in US metropolitan areas," Research Policy, Elsevier, vol. 48(3), pages 693-705.
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    17. P. G. J. Persoon & R. N. A. Bekkers & F. Alkemade, 2021. "The Knowledge Mobility of Renewable Energy Technology," Papers 2106.10474, arXiv.org, revised Sep 2021.
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    Keywords

    environmental inventions; patent data; knowledge recombination; knowledge impact;
    All these keywords.

    JEL classification:

    • O33 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - Technological Change: Choices and Consequences; Diffusion Processes
    • O34 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - Intellectual Property and Intellectual Capital
    • Q55 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Environmental Economics: Technological Innovation

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