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Market-based patent value of green transformation technologies

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  • Kimura, Yosuke

Abstract

This paper employs the green technology classification published by the Japan Patent Office to estimate the values of green and non-green innovations. By computing patent values based on stock price reactions to the announcement of patent issuance, this paper finds that, on average, green patents have higher values than non-green patents in the pooled sample. However, results from the matched sample indicate the presence of selection biases.

Suggested Citation

  • Kimura, Yosuke, 2024. "Market-based patent value of green transformation technologies," Finance Research Letters, Elsevier, vol. 68(C).
    • Handle: RePEc:eee:finlet:v:68:y:2024:i:c:s1544612324010341
    DOI: 10.1016/j.frl.2024.106004
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    References listed on IDEAS

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    1. Philippe Aghion & Antoine Dechezleprêtre & David Hémous & Ralf Martin & John Van Reenen, 2016. "Carbon Taxes, Path Dependency, and Directed Technical Change: Evidence from the Auto Industry," Journal of Political Economy, University of Chicago Press, vol. 124(1), pages 1-51.
    2. Leonid Kogan & Dimitris Papanikolaou & Amit Seru & Noah Stoffman, 2017. "Technological Innovation, Resource Allocation, and Growth," The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 132(2), pages 665-712.
    3. Hege, Ulrich & Pouget, Sébastien & Zhang, Yifei, 2023. "Climate Patents and Financial Markets," TSE Working Papers 23-1400, Toulouse School of Economics (TSE), revised Dec 2024.
    Full references (including those not matched with items on IDEAS)

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    More about this item

    Keywords

    Innovation; Green transformation; Green patent;
    All these keywords.

    JEL classification:

    • G14 - Financial Economics - - General Financial Markets - - - Information and Market Efficiency; Event Studies; Insider Trading
    • O31 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - Innovation and Invention: Processes and Incentives
    • 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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