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Productivity Spillovers of R&D in Sweden

  • Ejermo, Olof

    ()

    (CESIS - Centre of Excellence for Science and Innovation Studies, Royal Institute of Technology)

Although Sweden is one of the most R&D-intensive OECD-countries, the importance of R&D spillovers in the country has not been systematically analyzed. This paper employs a cross-sectional dataset of 264 R&D-performing Swedish firms from 1996-97. With this set, knowledge production functions are estimated, where industry groups are treated as subsamples. In addition, 160,614 non R&D-performing firms are used to examine the effects of R&D spillovers also among non R&D-performers. The estimations use three different weight methods for R&D that spills over from other industries: two input-output measures and a technology flow matrix in the spirit of Jaffe (1986). The results indicate that R&D-performing firms gain in Total Factor Productivity from their own R&D. In two of the three weighing matrices spillovers from R&D result in higher Total Factor Productivity among R&D-performers. Among non R&D-performers, the Total Factor Productivity effect of R&D-spillovers is robustly positive and significant across specifications. Examination of the social returns of R&D from specific industries, one at a time, on other industries does not reveal substantial social effects beyond the effect on the own firm. It is reasoned that the most likely reason for the small size of R&D-spillovers rests in the Swedish corporate structure, with most R&D being conducted by large multinationals.

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Paper provided by Royal Institute of Technology, CESIS - Centre of Excellence for Science and Innovation Studies in its series Working Paper Series in Economics and Institutions of Innovation with number 15.

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Length: 29 pages
Date of creation: 29 Nov 2004
Date of revision:
Handle: RePEc:hhs:cesisp:0015
Contact details of provider: Postal: CESIS - Centre of Excellence for Science and Innovation Studies, Royal Institute of Technology, SE-100 44 Stockholm, Sweden
Phone: +46 8 790 95 63
Web page: http://www.infra.kth.se/cesis/

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  2. Edward Wolff, 1997. "Spillovers, Linkages and Technical Change," Economic Systems Research, Taylor & Francis Journals, vol. 9(1), pages 9-23.
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  12. Wolff, Edward N. & Ishaq Nadiri, M., 1993. "Spillover effects, linkage structure, and research and development," Structural Change and Economic Dynamics, Elsevier, vol. 4(2), pages 315-331, December.
  13. Kenneth Arrow, 1962. "Economic Welfare and the Allocation of Resources for Invention," NBER Chapters, in: The Rate and Direction of Inventive Activity: Economic and Social Factors, pages 609-626 National Bureau of Economic Research, Inc.
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