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International Knowledge Flows: Evidence from an Inventor-Firm Matched Data Set

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  • Jinyoung Kim

    ()
    (Department of Economics, Korea University)

  • Sangjoon John Lee

    (Alfred University)

  • Gerald Marschke

    (University at Albany and IZA)

Abstract

We describe the construction of a panel data set from the U.S. patent data that contains measures of inventors?life-cycle R&D productivity--patents and patent citations. We match the data set to information on the U.S. pharmaceutical and semiconductor firms for whom they work. In this paper we use these data to examine the role of research personnel as a pathway for the diffusion of ideas from foreign countries to U.S. innovators. In particular, we find in recent years an increase in the extent that U.S. innovating firms collaborate with or employ researchers with foreign experience. This increase appears to work primarily through an increase in U.S. firms?employment of foreign-residing researchers; the fraction of research-active U.S. residents with foreign research experience appears to be falling, suggesting that U.S. pharmaceutical and semiconductor firms are increasingly locating operations in foreign countries to employ such researchers, as opposed to such researchers immigrating to the U.S. to work. In addition, we investigate which U.S. firms conducting R&D build upon innovations originating abroad. We find that employing or collaborating with researchers who have research experience abroad seems to facilitate the use of output of non-U.S. R&D. We also find that in the semiconductor industry smaller and older firms, and in the pharmaceutical industry, younger firms are more likely to access foreign R&D output.

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Bibliographic Info

Paper provided by Institute of Economic Research, Korea University in its series Discussion Paper Series with number 0706.

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Date of creation: 2007
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Handle: RePEc:iek:wpaper:0706

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Keywords: Innovation; Technology spillovers;

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References

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  1. Lynne G. Zucker & Michael R. Darby & Jeff S. Armstrong, 2002. "Commercializing Knowledge: University Science, Knowledge Capture, and Firm Performance in Biotechnology," Management Science, INFORMS, vol. 48(1), pages 138-153, January.
  2. DUGUET Emmanuel & MacGARVIE Megan, 2004. "How Well Do Patent Citations Measure Flows of Technology? Evidence from French Innovation Surveys," Development and Comp Systems 0411018, EconWPA.
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  7. Jaffe, A.B. & Trajtenberg, M., 1998. "International Knowledge Flows: Evidence from Patent Citation," Papers 11-98, Tel Aviv.
  8. Bronwyn H. Hall and Adam Jaffe, and Manuel Trajtenberg., 2001. "Market Value and Patent Citations: A First Look," Economics Working Papers E01-304, University of California at Berkeley.
  9. Jinyoung Kim & Gerald Marschke, 2004. "Accounting for the recent surge in U.S. patenting: changes in R&D expenditures, patent yields, and the high tech sector," Economics of Innovation and New Technology, Taylor & Francis Journals, vol. 13(6), pages 543-558.
  10. Manuel Trajtenberg & Gil Shiff & Ran Melamed, 2006. "The "Names Game": Harnessing Inventors' Patent Data for Economic Research," NBER Working Papers 12479, National Bureau of Economic Research, Inc.
  11. Jinyoung Kim & Gerald Marschke, 2005. "Labor Mobility of Scientists, Technological Diffusion, and the Firm's Patenting Decision," RAND Journal of Economics, The RAND Corporation, vol. 36(2), pages 298-317, Summer.
  12. Zvi Griliches, 1998. "The Search for R&D Spillovers," NBER Chapters, in: R&D and Productivity: The Econometric Evidence, pages 251-268 National Bureau of Economic Research, Inc.
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  18. Jinyoung Kim & Gerald Marschke, 2004. "Labor Mobility Of Scientists, Technological Diffusion, And The Firm’S Patenting Decision," Econometric Society 2004 Far Eastern Meetings 586, Econometric Society.
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Citations

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Cited by:
  1. Andrea Morescalchi & Fabio Pammolli & Orion Penner & Alexander M. Petersen & Massimo Riccaboni, 2014. "The evolution of networks of innovators within and across borders: Evidence from patent data," Working Papers 1/2014, IMT Institute for Advanced Studies Lucca, revised Jan 2014.
  2. Ernest Miguele & Rosina Moreno, 2012. "Do labour mobility and networks foster geographical knowledge diffusion? The case of European regions," Working Papers XREAP2012-14, Xarxa de Referència en Economia Aplicada (XREAP), revised Jul 2012.
  3. Ernest Miguélez & Ismael Gómez-Miguélez, 2011. "“Singling out individual inventors from patent data”," IREA Working Papers 201105, University of Barcelona, Research Institute of Applied Economics, revised May 2011.
  4. Favaro, Donata & Ninka, Eniel & Turvani, Margherita, 2012. "Productivity in innovation: the role of inventor connections and mobility," MPRA Paper 38950, University Library of Munich, Germany.
  5. Ernest Miguélez & Rosina Moreno, 2013. "Do Labour Mobility and Technological Collaborations Foster Geographical Knowledge Diffusion? The Case of European Regions," Growth and Change, Gatton College of Business and Economics, University of Kentucky, vol. 44(2), pages 321-354, 06.
  6. Hovhannisyan, Nune & Keller, Wolfgang, 2010. "International Business Travel: An Engine of Innovation?," CEPR Discussion Papers 7829, C.E.P.R. Discussion Papers.

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