Strong Ties in a Small World
AbstractThis paper examines the celebrated strength of weak ties theory of Granovetter (1973). We examine two hypotheses implied by the theory: one, for any three players with two links present, the probability of a third link being present is increasing in the strength of the two ties, and two, the removal of a weak tie breaks more shortest paths than the removal of a strong tie. This paper tests these hypotheses using data on co-authorship among economists. Our data supports the hypothesis of transitivity of strong ties, but it rejects the hypothesis that weak ties are more crucial than strong ties. We then propose an explanation for the strength of strong ties which builds on two properties of the network: one, significant inequality in the distribution of connections across individuals, and two, stronger ties among highly connected individuals.
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Bibliographic InfoArticle provided by De Gruyter in its journal Review of Network Economics.
Volume (Year): 10 (2011)
Issue (Month): 2 (June)
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Web page: http://www.degruyter.com
Other versions of this item:
- Marco van der Leij & Sanjeev Goyal, 2006. "Strong Ties in a Small World," Tinbergen Institute Discussion Papers 06-008/1, Tinbergen Institute.
- Marco van der Leij & Sanjeev Goyal, 2010. "Strong ties in a small world," Working Papers. Serie AD 2010-02, Instituto Valenciano de Investigaciones Económicas, S.A. (Ivie).
- A14 - General Economics and Teaching - - General Economics - - - Sociology of Economics
- D85 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Network Formation
- Z13 - Other Special Topics - - Cultural Economics - - - Economic Sociology; Economic Anthropology; Social and Economic Stratification
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.:
- Matt Jackson, 2003.
"The Effects of Social Networks on Employment and Inequality,"
Theory workshop papers
658612000000000032, UCLA Department of Economics.
- Antoni Calvó-Armengol & Matthew O. Jackson, 2004. "The Effects of Social Networks on Employment and Inequality," American Economic Review, American Economic Association, vol. 94(3), pages 426-454, June.
- Sanjeev Goyal & Marco van der Leij & Jose Luis Moraga, 2004.
"Economics: An Emerging Small World?,"
Tinbergen Institute Discussion Papers
04-001/1, Tinbergen Institute.
- Sanjeev Goyal & Marco van der Leij & José Luis Moraga-Gonzàlez, 2004. "Economics: An Emerging Small World?," Working Papers 2004.84, Fondazione Eni Enrico Mattei.
- Sanjeev Goyal & Marco van der Leij & José Luis Moraga Gonzales, 2004. "Economics: An Emerging Small World?," CESifo Working Paper Series 1287, CESifo Group Munich.
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