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Actor Fluidity and Knowledge Persistence in Regional Inventor Networks

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  • Michael Fritsch

    (FSU Jena, School of Economics and Business Administration)

  • Moritz Zöllner

    (FSU Jena, School of Economics and Business Administration)

Abstract

The development of inventor networks is characterized by the addition of a significant number of new inventors, while a considerable number of incumbent inventors discontinue. We estimate the persistence of knowledge in regional inventor networks using alternative assumptions about knowledge transfer. Based on these estimates we analyze how the size and structure of a network may influence knowledge persistence over time. In a final step, we assess how persistent knowledge as well as the knowledge of new inventors effect the performance of regional innovation systems (RIS). The results suggest that the knowledge of new inventors is much more important for RIS performance than old knowledge that persists.

Suggested Citation

  • Michael Fritsch & Moritz Zöllner, 2018. "Actor Fluidity and Knowledge Persistence in Regional Inventor Networks," Jena Economic Research Papers 2018-016, Friedrich-Schiller-University Jena.
  • Handle: RePEc:jrp:jrpwrp:2018-016
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    References listed on IDEAS

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    9. Michael Fritsch & Moritz Zoellner, 2020. "The fluidity of inventor networks," The Journal of Technology Transfer, Springer, vol. 45(4), pages 1063-1087, August.
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    Cited by:

    1. Michael Fritsch & Muhamed Kudic, 2022. "Micro dynamics and macro stability in inventor networks," The Journal of Technology Transfer, Springer, vol. 47(2), pages 353-382, April.

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    More about this item

    Keywords

    Innovation networks; knowledge; RandD cooperation; patents; persistence;
    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
    • D2 - Microeconomics - - Production and Organizations
    • D8 - Microeconomics - - Information, Knowledge, and Uncertainty

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