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Measuring knowledge spillovers: What patents, licenses and publications reveal about innovation diffusion

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  • Nelson, Andrew J.

Abstract

Measurement of knowledge spillovers remains an important challenge. While patent citation analyses are one common empirical approach, questions persist about their efficacy and potential biases. In an effort to assess various measures of knowledge diffusion, this paper compares patent data surrounding recombinant DNA technology to licenses and publications building on the same technology. Evaluation of these measures highlights errors of both omission and over-representation in each measure, and reveals potential biases tied to organizational age and location. The results suggest that studies of knowledge diffusion can be strengthened dramatically by drawing upon multiple indicators.

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Bibliographic Info

Article provided by Elsevier in its journal Research Policy.

Volume (Year): 38 (2009)
Issue (Month): 6 (July)
Pages: 994-1005

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Handle: RePEc:eee:respol:v:38:y:2009:i:6:p:994-1005

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Keywords: Patents Licenses Publications Innovation diffusion Knowledge spillovers;

References

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Citations

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Cited by:
  1. Haeussler, Carolin & Colyvas, Jeannette A., 2011. "Breaking the Ivory Tower: Academic Entrepreneurship in the Life Sciences in UK and Germany," Research Policy, Elsevier, Elsevier, vol. 40(1), pages 41-54, February.
  2. De Fuentes, Claudia & Dutrénit, Gabriela, 2011. "SMEs´ absorptive capacities and large firms´ knowledge spillovers: Micro evidence from Mexico," CIRCLE Electronic Working Papers, Lund University, CIRCLE - Center for Innovation, Research and Competences in the Learning Economy 2011/1, Lund University, CIRCLE - Center for Innovation, Research and Competences in the Learning Economy.
  3. Epicoco, Marianna, 2013. "Knowledge patterns and sources of leadership: Mapping the semiconductor miniaturization trajectory," Research Policy, Elsevier, Elsevier, vol. 42(1), pages 180-195.
  4. Jason P. Davis & Yulia Muzyrya & Pai-Ling Yin, 2014. "Experimentation Strategies and Entrepreneurial Innovation: Inherited Market Differences in the iPhone Ecosystem," Discussion Papers, Stanford Institute for Economic Policy Research 13-029, Stanford Institute for Economic Policy Research.
  5. Jeannette Colyvas & Kaisa Snellman & Janet Bercovitz & Maryann Feldman, 2012. "Disentangling effort and performance: a renewed look at gender differences in commercializing medical school research," The Journal of Technology Transfer, Springer, Springer, vol. 37(4), pages 478-489, August.
  6. Claudia de Fuentes & Gabriela Dutrénit, 2013. "SMEs’ Absorptive Capacities and Large Firms’ Knowledge Spillovers: Micro Evidence from the Machining Industry in Mexico," Institutions and Economies (formerly known as International Journal of Institutions and Economies), Faculty of Economics and Administration, University of Malaya, Faculty of Economics and Administration, University of Malaya, vol. 5(1), pages 1-30, April.
  7. ZHAO Ting & ZHAO Wei, 2012. "Dynamic Externalities and Manufacturing Productivity: An empirical comparison among China's top three municipalities," Discussion papers, Research Institute of Economy, Trade and Industry (RIETI) 12072, Research Institute of Economy, Trade and Industry (RIETI).
  8. Jian Li & Kunrong Shen & Ru Zhang, 2011. "Measuring Knowledge Spillovers: A Non-appropriable Returns Perspective," Annals of Economics and Finance, Society for AEF, vol. 12(2), pages 265-293, November.
  9. Nelson, Andrew & Earle, Andrew & Howard-Grenville, Jennifer & Haack, Julie & Young, Doug, 2014. "Do innovation measures actually measure innovation? Obliteration, symbolic adoption, and other finicky challenges in tracking innovation diffusion," Research Policy, Elsevier, Elsevier, vol. 43(6), pages 927-940.
  10. Nelson, Andrew J., 2012. "Putting university research in context: Assessing alternative measures of production and diffusion at Stanford," Research Policy, Elsevier, Elsevier, vol. 41(4), pages 678-691.
  11. Taylor, Margaret & Taylor, Andrew, 2012. "The technology life cycle: Conceptualization and managerial implications," International Journal of Production Economics, Elsevier, Elsevier, vol. 140(1), pages 541-553.
  12. Binz, Christian & Truffer, Bernhard & Coenen, Lars, 2014. "Why space matters in technological innovation systems—Mapping global knowledge dynamics of membrane bioreactor technology," Research Policy, Elsevier, Elsevier, vol. 43(1), pages 138-155.
  13. Grimaldi, Rosa & Kenney, Martin & Siegel, Donald S. & Wright, Mike, 2011. "30 years after Bayh-Dole: Reassessing academic entrepreneurship," Research Policy, Elsevier, Elsevier, vol. 40(8), pages 1045-1057, October.
  14. Andrea Bonaccorsi & Cinzia Daraio, 2013. "Knowledge spillover effects at the sub-regional level. Theory and estimation," DIAG Technical Reports 2013-13, Department of Computer, Control and Management Engineering, Universita' degli Studi di Roma "La Sapienza".

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