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How important are local knowledge spillovers of public R&D and what drives them?

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  • Koch, Leonie
  • Simmler, Martin

Abstract

This paper analyzes the magnitude of local knowledge spillovers of public R&D in Germany and its determinants using patent application data. We identify three distinct transmission channels. First, firms file more patent applications when collaborating with (local) public institutions. Second, firms file more patent applications when citing a public patent. Third, local public R&D seems to increase the number of patent applications by local firms also via non-specific knowledge spillovers. Using a fixed effect instrumental variable regression approach, we find evidence for substantial local spillovers and that these are driven by non-specific knowledge spillovers.

Suggested Citation

  • Koch, Leonie & Simmler, Martin, 2020. "How important are local knowledge spillovers of public R&D and what drives them?," Munich Reprints in Economics 84759, University of Munich, Department of Economics.
    • Handle: RePEc:lmu:muenar:84759
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    Cited by:

    1. Bernini, Cristina & Galli, Federica, 2023. "Innovation, productivity and spillover effects in the Italian accommodation industry," Economic Modelling, Elsevier, vol. 119(C).
    2. Becker, Bettina & Roper, Stephen & Vanino, Enrico, 2023. "Assessing innovation spillovers from publicly funded R&D and innovation support: Evidence from the UK," Technovation, Elsevier, vol. 128(C).
    3. Ruijia Wu & Rafael Alvarado & Priscila Méndez & Brayan Tillaguango, 2024. "Impact of Informational and Cultural Globalization, R&D, and Urbanization on Inequality," Journal of the Knowledge Economy, Springer;Portland International Center for Management of Engineering and Technology (PICMET), vol. 15(1), pages 1666-1702, March.
    4. Long, Cheryl Xiaoning & Yi, Wei, 2024. "Information effects of high-speed rail: Evidence from patent citations in China," China Economic Review, Elsevier, vol. 84(C).
    5. İrem Güçeri & Marko Köthenbürger & Martin Simmler, 2020. "Supporting Firm Innovation and R&D: What is the Optimal Policy Mix?," EconPol Policy Reports 20, ifo Institute - Leibniz Institute for Economic Research at the University of Munich.

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