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Localized knowledge spillovers and patent citations: A distance-based approach

  • Yasusada Murata

    ()

    (Advanced Research Institute for the Sciences and Humanities, Nihon University)

  • Ryo Nakajima

    ()

    (Department of Economics, Yokohama National University)

  • Ryosuke Okamoto

    ()

    (National Graduate Institute for Policy Studies)

  • Ryuichi Tamura

    ()

    (Graduate School of Humanities and Social Sciences, University of Tsukuba)

We develop a new approach to localized knowledge spillovers by incorporating the concept of control patents (Jaffe, Trajtenberg and Henderson 1993) into the distancebased test of localization (Duranton and Overman, 2005). Using microgeographic data, we identify localization distance while allowing for cross-boundary spillovers, unlike the existing literature where the extent of localized knowledge spillovers is detected at the state or metropolitan statistical area level. We revisit the recent debate by Thompson and Fox-Kean (2005) and Henderson, Jaffe and Trajtenberg (2005) on the existence of localized knowledge spillovers, and find solid evidence supporting localization, even when finer controls are used.

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File URL: http://www.kier.kyoto-u.ac.jp/DP/DP763.pdf
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Paper provided by Kyoto University, Institute of Economic Research in its series KIER Working Papers with number 763.

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Length: 32pages
Date of creation: Mar 2011
Date of revision:
Handle: RePEc:kyo:wpaper:763
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  1. Peter Thompson & Melanie Fox Kean, 2004. "Patent Citations and the Geography of Knowledge Spillovers: A Reassessment," Working Papers 0401, Florida International University, Department of Economics.
  2. Peter Thompson, 2004. "Patent Citations and the Geography of Knowledge Spillovers: Evidence from Inventor- and Examiner-Added Citations," Working Papers 0405, Florida International University, Department of Economics, revised Jun 2005.
  3. Klaus Desmet & Esteban Rossi-Hansberg, 2009. "Spatial Development," NBER Working Papers 15349, National Bureau of Economic Research, Inc.
  4. William Kerr & Edward Glaeser & Glenn Ellison, 2007. "What Causes Industry Agglomeration? Evidence from Coagglomeration Patterns," Working Papers 07-13, Center for Economic Studies, U.S. Census Bureau.
  5. Pierre-Philippe Combes & Gilles Duranton, 2001. "Labor Pooling, Labor Poaching and Spatial Clustering," CEP Discussion Papers dp0510, Centre for Economic Performance, LSE.
  6. Ajay Agrawal & Iain Cockburn & Carlos Rosell, 2010. "Not Invented Here? Innovation in Company Towns," NBER Chapters, in: Cities and Entrepreneurship National Bureau of Economic Research, Inc.
  7. William R. Kerr & Scott Duke Kominers, 2010. "Agglomerative Forces and Cluster Shapes," Harvard Business School Working Papers 11-061, Harvard Business School, revised Nov 2012.
  8. Joseph G. Altonji & Todd E. Elder & Christopher R. Taber, 2000. "Selection on Observed and Unobserved Variables: Assessing the Effectiveness of Catholic Schools," NBER Working Papers 7831, National Bureau of Economic Research, Inc.
  9. Nakajima, Ryo & Tamura, Ryuichi & Hanaki, Nobuyuki, 2010. "The effect of collaboration network on inventors' job match, productivity and tenure," Labour Economics, Elsevier, vol. 17(4), pages 723-734, August.
  10. Agrawal, Ajay & Kapur, Devesh & McHale, John, 2008. "How do spatial and social proximity influence knowledge flows? Evidence from patent data," Journal of Urban Economics, Elsevier, vol. 64(2), pages 258-269, September.
  11. Duranton, Gilles & Martin, Philippe & Mayer, Thierry & Mayneris, Florian, 2010. "The Economics of Clusters: Lessons from the French Experience," OUP Catalogue, Oxford University Press, number 9780199592203, March.
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