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Actor Fluidity and Knowledge Persistence in Regional Inventor Networks

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  • Michael Fritsch

    (Department of Economics, Friedrich Schiller University Jena, Carl-Zeiss-Str. 3, 07743 Jena, Germany)

  • Moritz Zoellner

    (Department of Economics, Friedrich Schiller University Jena, Carl-Zeiss-Str. 3, 07743 Jena, Germany)

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 estimated the persistence of knowledge in the inventor networks of nine German regions using alternative assumptions about knowledge transfer. Based on these estimates, we analyzed how the size and structure of a network may influence knowledge persistence over time. In a final step, we assessed how persistent knowledge as well as the knowledge of new inventors affect 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 Zoellner, 2022. "Actor Fluidity and Knowledge Persistence in Regional Inventor Networks," Economies, MDPI, vol. 10(12), pages 1-20, November.
    • Handle: RePEc:gam:jecomi:v:10:y:2022:i:12:p:298-:d:985272
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    References listed on IDEAS

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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; R&D 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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