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The Impact of R&D Activities on Exports of German Business Services Enterprises: First evidence from a continuous treatment approach

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  • Joachim Wagner

    ()
    (Leuphana University Lueneburg, Germany)

Abstract

This study uses newly available representative data from German business services firms and a continuous treatment approach based on the generalized propensity score to test for a causal effect of R&D activities (measured by the share of engineers and natural scientists in all employees) on the share of exports in total sales. We find evidence for a positive and statistically significant but small causal effect. This result is in line with the (non-causal) results reported in Vogel and Wagner (2012) based on regression models with and without control for unobserved time-invariant firm characteristics. The bottom line, then, is that R&D activity does matter for success of German business services firms on export markets – but not much.

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Bibliographic Info

Paper provided by University of Lüneburg, Institute of Economics in its series Working Paper Series in Economics with number 260.

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Length: 21 pages
Date of creation: Dec 2012
Date of revision:
Handle: RePEc:lue:wpaper:260

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Web page: http://leuphana.de/institute/ivwl.html

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Keywords: Innovation; export; business services; Germany;

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  1. Helmut Fryges, 2009. "The export-growth relationship: estimating a dose-response function," Applied Economics Letters, Taylor & Francis Journals, vol. 16(18), pages 1855-1859.
  2. Alexander Vogel & Joachim Wagner, 2012. "Innovation and Exports of German Business Services Enterprises: First evidence from a new type of firm data," Working Paper Series in Economics 246, University of Lüneburg, Institute of Economics.
  3. Alexander Vogel & Joachim Wagner, 2010. "Exports and Profitability - First Evidence for German Business Services Enterprises," Applied Economics Quarterly (formerly: Konjunkturpolitik), Duncker & Humblot, Berlin, vol. 56(1), pages 7-30.
  4. Michela Bia & Alessandra Mattei, 2008. "A Stata package for the estimation of the dose–response function through adjustment for the generalized propensity score," Stata Journal, StataCorp LP, vol. 8(3), pages 354-373, September.
  5. Papke, Leslie E & Wooldridge, Jeffrey M, 1996. "Econometric Methods for Fractional Response Variables with an Application to 401(K) Plan Participation Rates," Journal of Applied Econometrics, John Wiley & Sons, Ltd., vol. 11(6), pages 619-32, Nov.-Dec..
  6. Hemlut Fryges & Joachim Wagner, 2007. "Exports and Productivity Growth – First Evidence from a Continuous Treatment Approach," Working Paper Series in Economics 49, University of Lüneburg, Institute of Economics.
  7. Alexander Vogel, 2009. "The German Business Services Statistics Panel 2003 to 2007," Schmollers Jahrbuch : Journal of Applied Social Science Studies / Zeitschrift für Wirtschafts- und Sozialwissenschaften, Duncker & Humblot, Berlin, vol. 129(3), pages 515-522.
  8. Joachim Wagner, 2003. "Unobserved firm heterogeneity and the size-exports nexus: Evidence from German panel data," Review of World Economics (Weltwirtschaftliches Archiv), Springer, vol. 139(1), pages 161-172, March.
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