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Knowledge Flows and Knowledge Externalities

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  • Giovanni Peri

Abstract

The diffusion of knowledge in the world generates positive externalities if knowledge flows increase the productivity of R&D. Our work analyzes knowledge diffusion and knowledge externalities in generating innovation and in determining productivity. We first estimate the determinants of knowledge flows across 141 sub-national regions in 19 countries of Europe and North America as revealed by patent citation between US-granted patents. Then we estimate the impact of these flows on productivity of R&D resources in generating innovation (patenting) and productivity (TFP). While we find that knowledge diffusion depends on geographical and technological distance and is well described by a pseudo-gravity model, we do not find evidence of significant positive externalities from existing knowledge.

Suggested Citation

  • Giovanni Peri, 2002. "Knowledge Flows and Knowledge Externalities," CESifo Working Paper Series 765, CESifo Group Munich.
  • Handle: RePEc:ces:ceswps:_765
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    File URL: http://www.cesifo-group.de/DocDL/765.pdf
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    References listed on IDEAS

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    Cited by:

    1. repec:got:cegedp:100 is not listed on IDEAS
    2. Agnieszka Gehringer, 2011. "Pecuniary knowledge externalities and innovation: intersectoral linkages and their effects beyond technological spillovers," Economics of Innovation and New Technology, Taylor & Francis Journals, vol. 20(5), pages 495-515.
    3. Charlie Karlsson & Börje Johansson & Roger R. Stough (ed.), 2012. "The Regional Economics of Knowledge and Talent," Books, Edward Elgar Publishing, number 13425.

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