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Geographical distance puzzle in patent citations: intensive versus extensive margins

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  • Riccardo Cappelli
  • Fabio Montobbio

Abstract

This paper explores the effects of geographical distance on knowledge spillovers through patent citations across 270 European regions. Despite decreasing transport and communication costs, geographical distance effects are strong and not decreasing. To address this distance puzzle, we distinguish between the extensive margin (the number of cited technologies) and the intensive margin (the average number of citations per technology) of patent citation flows. We confirm an increasing distance effect on knowledge flows at the extensive margin. We show it is compatible with decreasing transport and communication costs.

Suggested Citation

  • Riccardo Cappelli & Fabio Montobbio, 2020. "Geographical distance puzzle in patent citations: intensive versus extensive margins," Applied Economics Letters, Taylor & Francis Journals, vol. 27(10), pages 771-777, June.
    • Handle: RePEc:taf:apeclt:v:27:y:2020:i:10:p:771-777
    DOI: 10.1080/13504851.2019.1645273
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    Cited by:

    1. Manuel Acosta & Daniel Coronado & Esther Ferrándiz & Manuel Jiménez, 2022. "Effects of knowledge spillovers between competitors on patent quality: what patent citations reveal about a global duopoly," The Journal of Technology Transfer, Springer, vol. 47(5), pages 1451-1487, October.
    2. Naoto Jinji & Xingyuan Zhang & Shoji Haruna, 2022. "Deep Integration, Global Firms, and Technology Spillovers," Advances in Japanese Business and Economics, Springer, number 978-981-16-5210-3, June.
    3. Corrocher, Nicoletta & Mancusi, Maria Luisa, 2021. "International collaborations in green energy technologies: What is the role of distance in environmental policy stringency?," Energy Policy, Elsevier, vol. 156(C).

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