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How Well Do Patent Citations Measure Flows of Technology? Evidence from French Innovation Surveys

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Author Info

  • DUGUET Emmanuel

    (EPEE - University of Evry)

  • MacGARVIE Megan

    (University of Boston)

Abstract

Patent citation data are used in a growing body of economics and business research on technological diffusion. Research in this area uses “backward” citations to measure technological knowledge acquired by the patenting entities studied. “Forward” citations (citations to the firm’s patents made by other patents) have been interpreted as a measure of the knowledge diffusing outward from the patenting entity. Until now, there exists little evidence on whether or not patent citations are a good measure of knowledge flows. Our paper assesses the legitimacy of using European patent citations as a measure of technology flows. It uses information from the Community Innovation Survey (CIS) collected by the French Service des Statistiques Industrielles (SESSI), which contain firms’ responses to questions about their innovative activity. We show that patent citations are indeed related to firms’ statements about their acquisition and dispersion of new technology, but that the strength and statistical significance of this relationship varies across geographical regions and across channels of knowledge diffusion.

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Bibliographic Info

Paper provided by EconWPA in its series Development and Comp Systems with number 0411018.

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Length: 30 pages
Date of creation: 16 Nov 2004
Date of revision:
Handle: RePEc:wpa:wuwpdc:0411018

Note: Type of Document - pdf; pages: 30
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Web page: http://128.118.178.162

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Keywords: patent; citation; Community Innovation Survey; innovation; spillovers; count data;

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References

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  1. Hall, Bronwyn H. & Jaffe, Adam & Trajtenberg, Manuel, 2001. "Market Value and Patent Citations: A First Look," Department of Economics, Working Paper Series qt8vh1c20f, Department of Economics, Institute for Business and Economic Research, UC Berkeley.
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Citations

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Cited by:
  1. Yongtae Park & Sungjoo Lee & Sora Lee, 2012. "Patent analysis for promoting technology transfer in multi-technology industries: the Korean aerospace industry case," The Journal of Technology Transfer, Springer, vol. 37(3), pages 355-374, June.
  2. Jinyoung Kim & Sangjoon John Lee & Gerald Marschke, 2006. "International Knowledge Flows: Evidence from an Inventor-Firm Matched Data Set," NBER Working Papers 12692, National Bureau of Economic Research, Inc.
  3. Hasan, Iftekhar & Tucci, Christopher L., 2010. "The innovation-economic growth nexus: Global evidence," Research Policy, Elsevier, vol. 39(10), pages 1264-1276, December.
  4. Peeters, T.J.G., 2013. "External knowledge search and use in new product development," Open Access publications from Tilburg University urn:nbn:nl:ui:12-5906731, Tilburg University.
  5. Mancusi, Maria Luisa, 2008. "International spillovers and absorptive capacity: A cross-country cross-sector analysis based on patents and citations," Journal of International Economics, Elsevier, vol. 76(2), pages 155-165, December.
  6. Calvin Weng & Tugrul Daim, 2012. "Structural Differentiation and Its Implications—Core/Periphery Structure of the Technological Network," Journal of the Knowledge Economy, Springer, vol. 3(4), pages 327-342, December.
  7. Michael Roach & Wesley M. Cohen, 2012. "Lens or Prism? Patent Citations as a Measure of Knowledge Flows from Public Research," NBER Working Papers 18292, National Bureau of Economic Research, Inc.
  8. Criscuolo, Paola & Verspagen, Bart, 2008. "Does it matter where patent citations come from? Inventor vs. examiner citations in European patents," Research Policy, Elsevier, vol. 37(10), pages 1892-1908, December.
  9. Emmanuel Duguet & Stéphanie Monjon, 2004. "Is innovation persistent at the firm Level . An econometric examination comparing the propensity score and regression methods," Cahiers de la Maison des Sciences Economiques v04075, Université Panthéon-Sorbonne (Paris 1).
  10. Joseph Plasmans & Ruslan Lukach, 2010. "The Patterns of Inter-firm and Inter-industry Knowledge Flows in the Netherlands," CESifo Working Paper Series 3057, CESifo Group Munich.
  11. Nelson, Andrew J., 2009. "Measuring knowledge spillovers: What patents, licenses and publications reveal about innovation diffusion," Research Policy, Elsevier, vol. 38(6), pages 994-1005, July.
  12. Jinyoung Kim & Sangjoon John Lee & Gerald Marschke, 2010. "Inventor Mobility and Knowledge Transmission in Nanotechnology," Discussion Paper Series 1004, Institute of Economic Research, Korea University.
  13. Claire Lelarge, 2006. "Les entreprises (industrielles) françaises sont-elles à la frontière technologique ?," Revue économique, Presses de Sciences-Po, vol. 57(3), pages 473-484.
  14. Stefan Wagner & Karin Hoisl & Grid Thoma, 2013. "Overcoming localization of knowledge: The role of professional service firms," ESMT Research Working Papers ESMT-13-09, ESMT European School of Management and Technology.
  15. Schoenmakers, Wilfred & Duysters, Geert, 2010. "The technological origins of radical inventions," Research Policy, Elsevier, vol. 39(8), pages 1051-1059, October.
  16. Yvonne Ho & Hongjen Chiu, 2013. "A social network analysis of leading semiconductor companies’ knowledge flow network," Asia Pacific Journal of Management, Springer, vol. 30(4), pages 1265-1283, December.
  17. Franco Malerba & Maria Luisa Mancusi & Fabio Montobbio, 2007. "Innovation, international R&D Spillovers and the sectoral heterogeneity of knowledge flows," KITeS Working Papers 204, KITeS, Centre for Knowledge, Internationalization and Technology Studies, Universita' Bocconi, Milano, Italy, revised Oct 2007.
  18. Sorenson, Olav & Rivkin, Jan W. & Fleming, Lee, 2006. "Complexity, networks and knowledge flow," Research Policy, Elsevier, vol. 35(7), pages 994-1017, September.
  19. Ioana Popovici, 2005. "Outward R&D and Knowledge Spillovers: Evidence Using Patent Citations," Working Papers 0516, Florida International University, Department of Economics.
  20. Leten, Bart & Kelchtermans, Stijn & Belderbos, Ren, 2010. "Internal Basic Research, External Basic Research and the Technological Performance of Pharmaceutical Firms," Working Papers 2010/12, Hogeschool-Universiteit Brussel, Faculteit Economie en Management.
  21. Criscuolo, Paola & Nicolaou, Nicos & Salter, Ammon, 2012. "The elixir (or burden) of youth? Exploring differences in innovation between start-ups and established firms," Research Policy, Elsevier, vol. 41(2), pages 319-333.
  22. Collinson, Simon C. & Wang, Rowena, 2012. "The evolution of innovation capability in multinational enterprise subsidiaries: Dual network embeddedness and the divergence of subsidiary specialisation in Taiwan," Research Policy, Elsevier, vol. 41(9), pages 1501-1518.

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