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Green Technologies and diversity in the knowledge search and output phases: Evidence from European Patents

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  • Fusillo, Fabrizio

Abstract

The aim of this study is to investigate technological diversity in the knowledge search and the knowledge output stages of the green inventive process. Exploiting a large sample of European patent data, from 1980 to 2013, the paper explores the degree of diversity in green inventions, comparing the recombinant features of green technologies with a control sample of non-green technologies selected through propensity score matching techniques. Empirical results suggest that green technologies show a higher degree of diversity of the knowledge sources and a higher technological diversity in how knowledge is effectively recombined. We further find that the green diversity premium is higher in the knowledge output phase than in the knowledge search phase. We conclude that the assessment of the role of technological diversity along the different phases of the invention process may improve the appropriate organization of innovative activities and policy design necessary for stimulating green technological developments and support a feasible sustainable transition.

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  • Fusillo, Fabrizio, 2023. "Green Technologies and diversity in the knowledge search and output phases: Evidence from European Patents," Research Policy, Elsevier, vol. 52(4).
    • Handle: RePEc:eee:respol:v:52:y:2023:i:4:s0048733323000112
    DOI: 10.1016/j.respol.2023.104727
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    4. Wenjing Ma & Mingyue Wang, 2023. "Discussion on the Relationship between Environmental Regulation and Green Technology Innovation from the Perspective of Innovation External Cooperation: Evidence from Chinese Private Enterprises," Sustainability, MDPI, vol. 15(23), pages 1-28, November.
    5. Fusillo, Fabrizio & Orsatti, Gianluca & Scandura, Alessandra, 2024. "Public Green Demand and Green Innovation: Evidence from US Firms," Department of Economics and Statistics Cognetti de Martiis. Working Papers 202407, University of Turin.
    6. Yujie Wu & Mingyue Wang & Yingming Li & Junbi Zhou & Xiangjie Cao, 2024. "Can the construction of a research and development platform encourage innovation in green technology by private enterprises? Evidence from China," Business Strategy and the Environment, Wiley Blackwell, vol. 33(2), pages 742-763, February.

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    More about this item

    Keywords

    Green technologies; Knowledge recombination; Patents; Technological diversity; Knowledge search; Knowledge output;
    All these keywords.

    JEL classification:

    • O31 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - Innovation and Invention: Processes and Incentives
    • Q55 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Environmental Economics: Technological Innovation

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