Scientific Networks and Co-authorship
AbstractUsing 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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Bibliographic InfoPaper provided by University of Oxford, Department of Economics in its series Economics Series Working Papers with number 256.
Date of creation: 01 Feb 2006
Date of revision:
Job Referral; Networks; Assortative Matching; Scientific Collaboration; Academia; Economics;
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
This paper has been announced in the following NEP Reports:
- NEP-ALL-2006-03-18 (All new papers)
- NEP-ICT-2006-03-18 (Information & Communication Technologies)
- NEP-NET-2006-03-18 (Network Economics)
- NEP-SOC-2006-03-18 (Social Norms & Social Capital)
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