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Scientific Networks and Co-authorship

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Author Info
Marcel Fafchamps
Marco J. van der Leij
Sanjeev Goyal

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Abstract

Using a database of all published articles in economic journals over the last 30 years, we investigate the determinants of scientific co-authorship. We find that, controlling for pair-wise fixed effects and author productivity, a new collaboration emerges faster if the two authors are more closely connected, either directly or indirectly, through collaborations with others. This effect is strong and robust. It is consistent with a referral model of the formation of scientific collaborations. We also find that large differences in research output between authors favor co-authorship, suggesting that scientific collaboration is more likely between authors with dissimilar ability and experience. This effect disappears if we limit the data to highly productive authors.

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Paper provided by University of Oxford, Department of Economics in its series Economics Series Working Papers with number 256.

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Date of creation: 2006
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Handle: RePEc:oxf:wpaper:256

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Keywords: Job Referral Networks Assortative Matching Scientific Collaboration Academia Economics

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Find related papers by JEL classification:
J41 - Labor and Demographic Economics - - Particular Labor Markets - - - Labor Contracts
L14 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Transactional Relationships; Contracts and Reputation

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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.:
  1. De Weerdt, Joachim & Dercon, Stefan, 2006. "Risk-sharing networks and insurance against illness," Journal of Development Economics, Elsevier, vol. 81(2), pages 337-356, December. [Downloadable!] (restricted)
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  2. Paul Oyer, 2006. "The Macro-Foundations of Microeconomics: Initial Labor Market Conditions and Long-Term Outcomes for Economists," NBER Working Papers 12157, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
  3. Sanjeev Goyal & Marco van der Leij & José Luis Moraga-Gonzàlez, 2004. "Economics: An Emerging Small World?," Working Papers 2004.84, Fondazione Eni Enrico Mattei. [Downloadable!]
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  4. Marco van der Leij & Sanjeev Goyal, 2006. "Strong Ties in a Small World," Tinbergen Institute Discussion Papers 06-008/1, Tinbergen Institute. [Downloadable!]
  5. McMillan, John & Woodruff, Christopher, 1998. "Inter-Firm Relationships and Informal Credit in Vietnam," CEPR Discussion Papers 2036, C.E.P.R. Discussion Papers. [Downloadable!] (restricted)
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  6. Fafchamps, Marcel & Lund, Susan, 2003. "Risk-sharing networks in rural Philippines," Journal of Development Economics, Elsevier, vol. 71(2), pages 261-287, August. [Downloadable!] (restricted)
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  7. Garance Genicot & Debraj Ray, 2003. "Group Formation in Risk--Sharing Arrangements," Review of Economic Studies, Blackwell Publishing, vol. 70(1), pages 87-113, January.
  8. Marcel Fafchamps, 2002. "Returns to social network capital among traders," Oxford Economic Papers, Oxford University Press, vol. 54(2), pages 173-206, April.
  9. Montgomery, James D, 1991. "Social Networks and Labor-Market Outcomes: Toward an Economic Analysis," American Economic Review, American Economic Association, vol. 81(5), pages 1407-18, December.
  10. Greif, Avner, 1993. "Contract Enforceability and Economic Institutions in Early Trade: the Maghribi Traders' Coalition," American Economic Review, American Economic Association, vol. 83(3), pages 525-48, June. [Downloadable!] (restricted)
  11. Rachel E. Kranton & Deborah F. Minehart, 2001. "A Theory of Buyer-Seller Networks," American Economic Review, American Economic Association, vol. 91(3), pages 485-508, June. [Downloadable!] (restricted)
  12. Kaivan Munshi, 2003. "Networks In The Modern Economy: Mexican Migrants In The U.S. Labor Market," The Quarterly Journal of Economics, MIT Press, vol. 118(2), pages 549-599, May. [Downloadable!] (restricted)
  13. Simon Johnson & John McMillan, 2002. "Courts and Relational Contracts," Journal of Law, Economics and Organization, Oxford University Press, vol. 18(1), pages 221-277, April.
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  14. Kranton, Rachel E, 1996. "Reciprocal Exchange: A Self-Sustaining System," American Economic Review, American Economic Association, vol. 86(4), pages 830-51, September. [Downloadable!] (restricted)
  15. Aghion, Philippe & Howitt, Peter, 1992. "A Model of Growth through Creative Destruction," Econometrica, Econometric Society, vol. 60(2), pages 323-51, March. [Downloadable!] (restricted)
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  16. Marcel Fafchamps, 2002. "Spontaneous Market Emergence," Topics in Theoretical Economics, Berkeley Electronic Press, vol. 2(1), pages 1045-1045. [Downloadable!] (restricted)
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  17. Raymond Fisman, 2003. "Ethnic Ties and the Provision of Credit: Relationship-Level Evidence from African Firms," Advances in Economic Analysis & Policy, Berkeley Electronic Press, vol. 3(1), pages 1211-1211. [Downloadable!] (restricted)
  18. Romer, Paul M, 1990. "Endogenous Technological Change," Journal of Political Economy, University of Chicago Press, vol. 98(5), pages S71-102, October. [Downloadable!] (restricted)
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  19. Marcel Fafchamps & Flore Gubert, 2005. "The Formation of Risk Sharing Networks," Working Papers DT/2005/13, DIAL (Développement, Institutions & Analyses de Long terme). [Downloadable!]
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  20. Fafchamps, Marcel & Minten, Bart, 2001. " Social Capital and Agricultural Trade," American Journal of Agricultural Economics, American Agricultural Economics Association, vol. 83(3), pages 680-85, August. [Downloadable!] (restricted)
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(explanations, 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.)

  1. Marcel Fafchamps & Flore Gubert, 2005. "The Formation of Risk Sharing Networks," Working Papers DT/2005/13, DIAL (Développement, Institutions & Analyses de Long terme). [Downloadable!]
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