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Tracing Mobile Inventors – The Causality between Inventor Mobility and Inventor Productivity

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  • Hoisl, Karin

Abstract

This paper analyzes the causality between inventor productivity and inventor mobility. The results show that the level of education has no influence on inventor productivity. Making use of external sources of knowledge, on the contrary, has a significant effect on productivity. Finally, firm size has a positive impact on productivity. Firm size also influences inventor mobility, although negatively. Whereas existing research implicitly assumes causality to point in one direction, this study ex-ante allows for a simultaneous relationship. To deal with the expected endogeneity problem, instrumental variables techniques will be employed. Results show that mobile inventors are more than four times as productive as non-movers. Whereas mobility increases productivity, an increase in productivity decreases the number of moves.

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File URL: http://epub.ub.uni-muenchen.de/1260/1/Hoisl_Tracing_Mobile_Inventors_2007_WissBeitrag_WP.pdf
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Paper provided by University of Munich, Munich School of Management in its series Discussion Papers in Business Administration with number 1260.

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Date of creation: 2006
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Handle: RePEc:lmu:msmdpa:1260

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Keywords: Inventor; Productivity; Mobility; Match Quality; Patent;

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  1. Harhoff, Dietmar & Scherer, Frederic M. & Vopel, Katrin, 2003. "Citations, family size, opposition and the value of patent rights," Research Policy, Elsevier, vol. 32(8), pages 1343-1363, September.
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  7. Harhoff, Dietmar & Hoisl, Karin, 2007. "Institutionalized incentives for ingenuity--Patent value and the German Employees' Inventions Act," Research Policy, Elsevier, vol. 36(8), pages 1143-1162, October.
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  10. Jinyoung Kim & Sangjoon John Lee & Gerald Marschke, 2007. "Research Scientist Productivity and Firm Size: Evidence from Panel Data on Inventors," Discussion Paper Series 0708, Institute of Economic Research, Korea University.
  11. Freeman, C., 1991. "Networks of innovators: A synthesis of research issues," Research Policy, Elsevier, vol. 20(5), pages 499-514, October.
  12. 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.
  13. Andrew Clark & Yannis Georgellis & Peter Sanfey, 1997. "Job Satisfaction, Wage Changes and Quits: Evidence from Germany," Studies in Economics 9711, Department of Economics, University of Kent.
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