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Inventor Mobility and Knowledge Transmission in Nanotechnology

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Author Info

  • Jinyoung Kim

    ()
    (Korea University)

  • Sangjoon John Lee

    (Alfred University)

  • Gerald Marschke

    ()
    (University at Albany-SUNY, NBER and IZA)

Abstract

Using U.S. patent records in nanotechnoloy, we study the relationship between inventor mobility among firms and knowledge diffusion. We find evidence consistent with a story that, in one important nanotechnology subfield, when inventors move among firms they spread knowledge. In particular, we find that if we consider any two patents in the "Chemicals, misc." subclass, A and B, where A and B are assigned to different firms and where A is granted after B, patent A is more likely to cite patent B if the patent A firm employs an inventor who earlier worked for the patent B firm.

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File URL: http://econ.korea.ac.kr/~ri/WorkingPapers/w1004.pdf
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Bibliographic Info

Paper provided by Institute of Economic Research, Korea University in its series Discussion Paper Series with number 1004.

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Date of creation: 2010
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Handle: RePEc:iek:wpaper:1004

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Keywords: Nanotechnology; Patents; Innovations; Knowledge spillovers;

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References

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  1. Emmanuel Duguet & Megan MacGarvie, 2005. "How well do patent citations measure flows of technology? Evidence from French innovation surveys," Economics of Innovation and New Technology, Taylor & Francis Journals, vol. 14(5), pages 375-393.
  2. Manuel Trajtenberg, 1990. "A Penny for Your Quotes: Patent Citations and the Value of Innovations," RAND Journal of Economics, The RAND Corporation, vol. 21(1), pages 172-187, Spring.
  3. Bronwyn H. Hall & Adam B. Jaffe & Manuel Trajtenberg, 2001. "The NBER Patent Citation Data File: Lessons, Insights and Methodological Tools," NBER Working Papers 8498, National Bureau of Economic Research, Inc.
  4. Wesley M. Cohen & Richard R. Nelson & John P. Walsh, 2000. "Protecting Their Intellectual Assets: Appropriability Conditions and Why U.S. Manufacturing Firms Patent (or Not)," NBER Working Papers 7552, National Bureau of Economic Research, Inc.
  5. Gerald Marschke & Jinyoung Kim, 2001. "Labor Mobility of Scientists, Technological Diffusion, and the Firm's Patenting Decision," Discussion Papers 01-03, University at Albany, SUNY, Department of Economics.
  6. Lynne G. Zucker & Michael R. Darby & Jeff S. Armstrong, 2001. "Commercializing Knowledge: University Science, Knowledge Capture, and Firm Performance in Biotechnology," NBER Working Papers 8499, National Bureau of Economic Research, Inc.
  7. Zucker, Lynne G & Darby, Michael R & Armstrong, Jeff, 1998. "Geographically Localized Knowledge: Spillovers or Markets?," Economic Inquiry, Western Economic Association International, vol. 36(1), pages 65-86, January.
  8. Jarle Moen, 2005. "Is Mobility of Technical Personnel a Source of R&D Spillovers?," Journal of Labor Economics, University of Chicago Press, vol. 23(1), pages 81-114, January.
  9. Jerry G. Thursby & Marie C. Thursby, 2002. "Who Is Selling the Ivory Tower? Sources of Growth in University Licensing," Management Science, INFORMS, vol. 48(1), pages 90-104, January.
  10. Ajay Agrawal & Iain Cockburn & John McHale, 2003. "Gone But Not Forgotten: Labor Flows, Knowledge Spillovers, and Enduring Social Capital," NBER Working Papers 9950, National Bureau of Economic Research, Inc.
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Blog mentions

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  1. “Inventor Mobility and Knowledge Transmission in Nanotechnology,” J. Kim, S.J. Lee & G. Marschke (2010)
    by afinetheorem in A Fine Theorem on 2010-04-07 08:17:46
  2. “Inventor Mobility and Knowledge Transmission in Nanotechnology,” J. Kim, S.J. Lee & G. Marschke (2010)
    by afinetheorem in A Fine Theorem on 2010-04-07 08:17:46

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