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Regional innovation measured by patent data – does quality matter?

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Abstract

Patent data play an important role as indicators of inventive and innovative activity across regions. This paper examines if the geographical distribution changes and in what direction if patent data are quality-adjusted. A quality index is constructed by means of factor analysis on the indicators forward citations and backward citations, family size and opposition incidence. Patent data over Swedish regions 1982-1999 are used to examine the distribution. The paper examines how the distribution has changed over time in the aggregate and on a technology-by-technology basis. When accounting for quality, patents become much more geographically concentrated than raw patents granted. Moreover, both concentrations have increased over time. Of the quality indicators, backward citations and family size seem to contribute most to concentration.

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  • Ejermo, Olof, 2007. "Regional innovation measured by patent data – does quality matter?," Papers in Innovation Studies 2007/8, Lund University, CIRCLE - Center for Innovation, Research and Competences in the Learning Economy.
  • Handle: RePEc:hhs:lucirc:2007_008
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    File URL: http://wp.circle.lu.se/upload/CIRCLE/workingpapers/200708_Ejermo.pdf
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    1. Stefano Breschi & Francesco Lissoni, 2003. "Mobility and Social Networks: Localised Knowledge Spillovers Revisited," KITeS Working Papers 142, KITeS, Centre for Knowledge, Internationalization and Technology Studies, Universita' Bocconi, Milano, Italy, revised Mar 2003.
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    Cited by:

    1. Braunerhjelm, Pontus, 2010. "Entrepreneurship, Innovation and Economic Growth – Past experiences, current knowledge and policy implications," Working Papers 2010:2, Swedish Entrepreneurship Forum.
    2. repec:eee:respol:v:46:y:2017:i:7:p:1187-1197 is not listed on IDEAS
    3. Ejermo, Olof & Hansen, Høgni Kalsø, 2014. "How Important are Local Inventive Milieus: The role of Birthplace, High School and University Education," Papers in Innovation Studies 2014/15, Lund University, CIRCLE - Center for Innovation, Research and Competences in the Learning Economy.
    4. Block, Joern & Spiegel, Frank, 2011. "Family Firms and Regional Innovation Activity: Evidence from the German Mittelstand," MPRA Paper 28604, University Library of Munich, Germany.
    5. Block, J.H. & Spiegel, F., 2013. "Family firm density and regional innovation output: An exploratory analysis," Journal of Family Business Strategy, Elsevier, vol. 4(4), pages 270-280.
    6. Braunerhjelm, Pontus & Henrekson, Magnus, 2015. "An Innovation Policy Framework: Bridging the gap between industrial dynamics and growth," Working Paper Series in Economics and Institutions of Innovation 391, Royal Institute of Technology, CESIS - Centre of Excellence for Science and Innovation Studies.
    7. Munari, Federico & Toschi, Laura, 2015. "Assessing the impact of public venture capital programmes in the United Kingdom: Do regional characteristics matter?," Journal of Business Venturing, Elsevier, vol. 30(2), pages 205-226.
    8. Pierre-Alexandre Balland & David L. Rigby, 2015. "The geography and evolution of complex knowledge," Papers in Evolutionary Economic Geography (PEEG) 1502, Utrecht University, Department of Human Geography and Spatial Planning, Group Economic Geography, revised Jan 2015.
    9. Elert, Niklas & Henrekson, Magnus & Stenkula, Mikael, 2017. "Institutional Reform for Innovation and Entrepreneurship: An Agenda for Europe," Working Paper Series 1150, Research Institute of Industrial Economics, revised 16 Feb 2017.
    10. Olof Ejermo & Urban Gråsjö, 2014. "Accessibility to R&D: a re-examination of the consequences for invention and innovation," Chapters,in: Knowledge, Innovation and Space, chapter 3, pages 51-79 Edward Elgar Publishing.
    11. Martin Andersson & Hans Lööf, 2012. "Small business innovation: firm level evidence from Sweden," The Journal of Technology Transfer, Springer, vol. 37(5), pages 732-754, October.
    12. Iréne Bernhard, 2016. "Innovation focusing on regional development in a European context - towards a new research agenda," International Journal of Innovation and Regional Development, Inderscience Enterprises Ltd, vol. 7(1), pages 1-19.

    More about this item

    Keywords

    Regions; patents; patent quality; Sweden.;

    JEL classification:

    • O30 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - General

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