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Small Worlds in Networks of Inventors and the Role of Academics: An Analysis of France

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  • Francesco Lissoni
  • Patrick Llerena
  • Bulat Sanditov

Abstract

Using data on patent applications at the European Patent Office, we examine the structural properties of networks of inventors in France in different technologies. We find that the higher the presence of inventors from universities and public research organizations (PROs), the more likely the networks are to exhibit small world properties. University and PRO inventors contribute to reduce average path length insofar they are more mobile (across applicants) than other inventors, thus linking up otherwise disconnected cliques. We achieve these results by implementing an original methodology for detecting small world properties in one-mode projections of two-mode graphs.

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  • Francesco Lissoni & Patrick Llerena & Bulat Sanditov, 2013. "Small Worlds in Networks of Inventors and the Role of Academics: An Analysis of France," Industry and Innovation, Taylor & Francis Journals, vol. 20(3), pages 195-220, April.
    • Handle: RePEc:taf:indinn:v:20:y:2013:i:3:p:195-220
    DOI: 10.1080/13662716.2013.791128
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    References listed on IDEAS

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    1. Lorenzo Cassi & Anne Plunket, 2015. "Research Collaboration in Co-inventor Networks: Combining Closure, Bridging and Proximities," Regional Studies, Taylor & Francis Journals, vol. 49(6), pages 936-954, June.
    2. Cassi, Lorenzo & Plunket, Anne, 2010. "The determinants of co-inventor tie formation: proximity and network dynamics," MPRA Paper 27303, University Library of Munich, Germany.
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    2. Stéphane Maraut & Catalina Martínez, 2014. "Identifying author–inventors from Spain: methods and a first insight into results," Scientometrics, Springer;Akadémiai Kiadó, vol. 101(1), pages 445-476, October.
    3. Mario V. Tomasello & Mauro Napoletano & Antonios Garas & Frank Schweitzer, 2017. "The rise and fall of R&D networks," Industrial and Corporate Change, Oxford University Press and the Associazione ICC, vol. 26(4), pages 617-646.
    4. den Hamer, Pieter & Frenken, Koen, 2021. "A network-based model of exploration and exploitation," Journal of Business Research, Elsevier, vol. 129(C), pages 589-599.
    5. Patricia Laurens & Christian Le Bas & Stéphane Lhuillery & Antoine Schoen, 2017. "The determinants of cleaner energy innovations of the world’s largest firms: the impact of firm learning and knowledge capital," Economics of Innovation and New Technology, Taylor & Francis Journals, vol. 26(4), pages 311-333, May.
    6. Diego Useche & Ernest Miguelez & Francesco Lissoni, 2020. "Highly skilled and well connected: Migrant inventors in cross-border M&As," Journal of International Business Studies, Palgrave Macmillan;Academy of International Business, vol. 51(5), pages 737-763, July.
    7. repec:spo:wpmain:info:hdl:2441/f6h8764enu2lskk9p5487a6cm is not listed on IDEAS
    8. Chung, Jaemin & Ko, Namuk & Yoon, Janghyeok, 2021. "Inventor group identification approach for selecting university-industry collaboration partners," Technological Forecasting and Social Change, Elsevier, vol. 171(C).
    9. repec:hal:wpspec:info:hdl:2441/f6h8764enu2lskk9p5487a6cm is not listed on IDEAS
    10. Isabel Cavalli & Charlie Joyez, 2021. "The Dynamics of French Universities in Patent Collaboration Networks," GREDEG Working Papers 2021-38, Groupe de REcherche en Droit, Economie, Gestion (GREDEG CNRS), Université Côte d'Azur, France.
    11. Dolores Modic & Borut Lužar & Tohru Yoshioka-Kobayashi, 2023. "Structure of university licensing networks," Scientometrics, Springer;Akadémiai Kiadó, vol. 128(2), pages 901-932, February.
    12. repec:spo:wpecon:info:hdl:2441/f6h8764enu2lskk9p5487a6cm is not listed on IDEAS
    13. Diego Useche & Ernest Miguelez & Francesco Lissoni, 2019. "Highly skilled and well connected: Migrant inventors in cross-border M&As," Post-Print halshs-02024499, HAL.

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