Measurement and Explanation of the Intensity of Co-publication in Scientific Research: An Analysis at the Laboratory Level
AbstractIn 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 aggregated at the laboratory level. We first use this measure to characterize the relations of collaboration, as defined in terms of co-publication between the scientists of the French “Centre National de la Recherche Scientifique” (CNRS) in the field of condensed-matter physic, during the six-year period 1992-1997. We then use it to investigate the importance of various factors of collaboration: mainly the geographical distance between laboratories, but also their specialization and size, their productivity and the quality of their publications, and their international openness. We find that the average intensity of co-publication of researchers within laboratories is about 40 times higher than the average intensity between laboratories if they are located in the same towns, and that it is 100 times higher than the intensity between laboratories which are not located in the same towns. Yet, geographical distance does not have a significant impact, or a very weak one, on the existence and intensity of co-publication between laboratories located in different towns. What matters is immediate proximity. We also find that the productivity of laboratories, their size and specialization profiles are significant determinants of collaboration.
Download InfoIf you experience problems downloading a file, check if you have the proper application to view it first. In case of further problems read the IDEAS help page. Note that these files are not on the IDEAS site. Please be patient as the files may be large.
Bibliographic InfoPaper provided by National Bureau of Economic Research, Inc in its series NBER Working Papers with number 11172.
Date of creation: Mar 2005
Date of revision:
Contact details of provider:
Postal: National Bureau of Economic Research, 1050 Massachusetts Avenue Cambridge, MA 02138, U.S.A.
Web page: http://www.nber.org
More information through EDIRC
Find related papers by JEL classification:
- D29 - Microeconomics - - Production and Organizations - - - Other
- O39 - Economic Development, Technological Change, and Growth - - Technological Change; Research and Development; Intellectual Property Rights - - - Other
This paper has been announced in the following NEP Reports:
- NEP-ALL-2005-03-13 (All new papers)
- NEP-INO-2005-03-13 (Innovation)
- NEP-NET-2005-03-13 (Network Economics)
Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
- Paula E. Stephan, 1996. "The Economics of Science," Journal of Economic Literature, American Economic Association, vol. 34(3), pages 1199-1235, September.
- Jaffe, Adam B, 1989. "Real Effects of Academic Research," American Economic Review, American Economic Association, vol. 79(5), pages 957-70, December.
- Audretsch, David B & Feldman, Maryann P, 1996. "R&D Spillovers and the Geography of Innovation and Production," American Economic Review, American Economic Association, vol. 86(3), pages 630-40, June.
- 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.
- 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.
- Adam B. Jaffe & Manuel Trajtenberg, 1998. "International Knowledge Flows: Evidence from Patent Citations," NBER Working Papers 6507, National Bureau of Economic Research, Inc.
- Jaffe, A.B. & Trajtenberg, M., 1998. "International Knowledge Flows: Evidence from Patent Citation," Papers 11-98, Tel Aviv.
- Zucker, Lynne G & Darby, Michael R & Armstrong, Jeff, 1998. "Geographically Localized Knowledge: Spillovers or Markets?," Economic Inquiry, Western Economic Association International, vol. 36(1), pages 65-86, January.
- Jaffe, A.B. & Trajtenberg, M., 1992.
"Geographic Localization of Knowledge Spillovers as Evidenced by Patent Citations,"
14-92, Tel Aviv.
- Jaffe, Adam B & Trajtenberg, Manuel & Henderson, Rebecca, 1993. "Geographic Localization of Knowledge Spillovers as Evidenced by Patent Citations," The Quarterly Journal of Economics, MIT Press, vol. 108(3), pages 577-98, August.
- Adam B. Jaffe & Manuel Trajtenberg & Rebecca Henderson, 1992. "Geographic Localization of Knowledge Spillovers as Evidenced by Patent Citations," NBER Working Papers 3993, National Bureau of Economic Research, Inc.
- Zucker, Lynne G & Darby, Michael R & Brewer, Marilynn B, 1998. "Intellectual Human Capital and the Birth of U.S. Biotechnology Enterprises," American Economic Review, American Economic Association, vol. 88(1), pages 290-306, March.
- Ajay Agrawal & Avi Goldfarb, 2008.
"Restructuring Research: Communication Costs and the Democratization of University Innovation,"
American Economic Review,
American Economic Association, vol. 98(4), pages 1578-90, September.
- Ajay K. Agrawal & Avi Goldfarb, 2006. "Restructuring Research: Communication Costs and the Democratization of University Innovation," NBER Working Papers 12812, National Bureau of Economic Research, Inc.
For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: ().
If references are entirely missing, you can add them using this form.