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Same Place, Same Knowledge – Same People? The Geography of Non-Patent Citations in Dutch Polymer Patents

Author

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  • Dominik Heinisch
  • Önder Nomaler
  • Guido Buenstorf
  • Koen Frenken
  • Harry Lintsen

Abstract

It has long been argued that geographic co-location supports knowledge spillovers. More recently, this argument has been challenged by showing that knowledge spillovers mainly flow through social networks, which may or may not be localized at various geographic scales. We further scrutinize the conjecture of geographically bounded knowledge spillovers by focusing on knowledge flows between academia and industry. Looking into citations to non-patent literature (NPL) in 2,385 Dutch polymer patents, we find that citation lags are shorter on average if Dutch rather than foreign NPLs are cited. However, when excluding individual and organizational self-citations, geographically proximate NPLs no longer diffuse faster than foreign NPLs. This suggests that knowledge is not “in the air” but transferred by mobile individuals and/or direct university-industry collaboration. Our findings moreover suggest an important role of international conferences in the diffusion of recent scientific knowledge.

Suggested Citation

  • Dominik Heinisch & Önder Nomaler & Guido Buenstorf & Koen Frenken & Harry Lintsen, 2015. "Same Place, Same Knowledge – Same People? The Geography of Non-Patent Citations in Dutch Polymer Patents," Papers in Evolutionary Economic Geography (PEEG) 1526, Utrecht University, Department of Human Geography and Spatial Planning, Group Economic Geography, revised Aug 2015.
    • Handle: RePEc:egu:wpaper:1526
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    2. Tan Tran, 2020. "R&D and Knowledge Expertise of French Regions," Papers in Evolutionary Economic Geography (PEEG) 2004, Utrecht University, Department of Human Geography and Spatial Planning, Group Economic Geography, revised Feb 2020.

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    More about this item

    Keywords

    Non-patent literature; citation lags; knowledge spillovers; university-industry interaction; polymer industry.;
    All these keywords.

    JEL classification:

    • O33 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - Technological Change: Choices and Consequences; Diffusion Processes
    • R10 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - General Regional Economics - - - General
    • L65 - Industrial Organization - - Industry Studies: Manufacturing - - - Chemicals; Rubber; Drugs; Biotechnology; Plastics

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