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Mesure de l’Intensité de Collaboration dans la Recherche Scientifique et Evaluation du Rôle de la Distance Géographique

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  • Laure Turner

    (Crest)

  • Jacques Mairesse

    (Crest)

Abstract

In order to study networks of collaboration between researchers, we propose a simple measure of the intensity of collaboration, which can be easily interpreted in terms of relative probability and directly aggregated at the laboratory level. We use it to characterize the relations of collaboration, as defined in terms of co-publication, between the physicists the French Centre National de la Recherche Scientifique (CNRS), in the field of condensed-matter, between 1992 and 1997, and to analyse if their intensity of collaboration depends on the geographical distance between laboratories. We find that the average intensity of co-publication within laboratories is about 40 times higher than the intensity between laboratories but within towns, and 100 times higher than the intensity between laboratories and between towns. Yet, geographical distance does not have a significant impact, or a very weak one, on the existence and intensity of co-publication of researchers located in different towns.

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Paper provided by Centre de Recherche en Economie et Statistique in its series Working Papers with number 2003-49.

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Date of creation: 2003
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Handle: RePEc:crs:wpaper:2003-49

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  1. Audretsch, David B & Stephan, Paula E, 1996. "Company-Scientist Locational Links: The Case of Biotechnology," American Economic Review, American Economic Association, vol. 86(3), pages 641-52, June.
  2. Adam Jaffe & Manuel Trajtenberg, 1999. "International Knowledge Flows: Evidence From Patent Citations," Economics of Innovation and New Technology, Taylor & Francis Journals, vol. 8(1-2), pages 105-136.
  3. Matthew O. Jackson & Asher Wolinsky, 1994. "A Strategic Model of Social and Economic Networks," Discussion Papers 1098, Northwestern University, Center for Mathematical Studies in Economics and Management Science.
  4. Jaffe, Adam B, 1989. "Real Effects of Academic Research," American Economic Review, American Economic Association, vol. 79(5), pages 957-70, December.
  5. Paula E. Stephan, 1996. "The Economics of Science," Journal of Economic Literature, American Economic Association, vol. 34(3), pages 1199-1235, September.
  6. Lynne G. Zucker & Michael R. Darby & Jeff Armstrong, 1994. "Intellectual Capital and the Firm: The Technology of Geographically Localized Knowledge Spillovers," NBER Working Papers 4946, National Bureau of Economic Research, Inc.
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