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Networks of innovators within and across borders. Evidence from patent data

Author

Listed:
  • Andrea Morescalchi

    (IMT School for Advanced Studies Lucca)

  • Fabio Pammolli

    (IMT School for Advanced Studies Lucca)

  • Orion Penner

    (IMT School for Advanced Studies Lucca)

  • Petersen Alexander M.

    (IMT School for Advanced Studies Lucca)

  • Massimo Riccaboni

    (IMT School for Advanced Studies Lucca and Department of Managerial Economics, Strategy and Innovation, K.U. Leuven)

Abstract

Recent studies on the geography of knowledge networks have documented a negative impact of physical distance and institutional borders upon research and development (R&D) collaborations. Though it is widely recognized that geographic constraints hamper the diffusion of knowledge, less attention has been devoted to the temporal evolution of these constraints. In this study we use data on patents filed with the European Patent Office (EPO) for 50 countries to analyze the impact of physical distance and country borders on inter-regional links in four different networks over the period 1988-2009: (1) co-inventorship, (2) patent citations, (3) inventor mobility and (4) the location of R&D laboratories. We find the constraint imposed by country borders and distance decreased until mid-1990s then started to grow, particularly for distance. The intensity of European cross-country inventor collaborations increased at a higher pace than their non-European counterparts until 2004, with no significant relative progress afterwards. Moreover, when analyzing networks of geographical mobility, multinational R&D activities and patent citations we do not depict any substantial progress in European research integration aside from the influence of common global trends.

Suggested Citation

  • Andrea Morescalchi & Fabio Pammolli & Orion Penner & Petersen Alexander M. & Massimo Riccaboni, 2013. "Networks of innovators within and across borders. Evidence from patent data," Working Papers 4/2013, IMT School for Advanced Studies Lucca, revised Aug 2013.
  • Handle: RePEc:ial:wpaper:4/2013
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    References listed on IDEAS

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    Cited by:

    1. Florian Seliger, 2016. "What determines international and inter-sectoral knowledge flows? The impact of absorptive capacity, technological distance and spillovers," KOF Working papers 16-415, KOF Swiss Economic Institute, ETH Zurich.
    2. Inoue, Hiroyasu, 2014. "A two-layer team-assembly model for invention networks," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 415(C), pages 181-188.
    3. Rafael Lata & Sidonia Proff & Thomas Brenner, 2018. "The influence of distance types on co-patenting and co-publishing in the USA and Europe over time," The Annals of Regional Science, Springer;Western Regional Science Association, vol. 61(1), pages 49-71, July.

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    More about this item

    Keywords

    Geography of knowledge; Networks of Innovators; European integration; Spatial proximity; Crossborder collaboration; Gravity model;
    All these keywords.

    JEL classification:

    • O3 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights
    • R1 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - General Regional Economics
    • R23 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - Household Analysis - - - Regional Migration; Regional Labor Markets; Population

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