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Modelling the evolution of a bipartite network - Peer referral in interlocking directorates

  • J Koskinen
  • Christofer Edling
Publiceringsår: 2012
Språk: Engelska
Sidor: 309-322
Publikation/Tidskrift/Serie: Social Networks
Volym: 34
Nummer: 3
Dokumenttyp: Artikel i tidskrift
Förlag: Elsevier

Abstract english

Abstract in Undetermined

A central part of relational ties between social actors is constituted by shared affiliations and events. The action of joint participation reinforces personal ties between social actors as well as mutually shared values and norms that in turn perpetuate the patterns of social action that define groups. Therefore the study of bipartitenetworks is central to social science. Furthermore, the dynamics of these processes suggests that bipartitenetworks should not be considered static structures but rather be studied over time. In order to model the evolution of bipartitenetworks empirically we introduce a class of models and a Bayesian inference scheme that extends previous stochastic actor-oriented models for unimodal graphs. Contemporary research on interlockingdirectorates provides an area of research in which it seems reasonable to apply the model. Specifically, we address the question of how tie formation, i.e. director recruitment, contributes to the structural properties of the interlockingdirectoratenetwork. For boards of directors on the Stockholm stock exchange we propose that a prolific mechanism in tie formation is that of peerreferral. The results indicate that such a mechanism is present, generating multiple interlocks between boards.


  • Sociology (excluding Social Work, Social Psychology and Social Anthropology)
  • sociologi
  • sociology


  • ISSN: 0378-8733
Christofer Edling
E-post: christofer [dot] edling [at] soc [dot] lu [dot] se



+46 46 222 88 62




Jag disputerade 1999 vid Stockholms Universitet (Essays on Social Dynamics, 1998) med Peter Hedström som handledare. Mellan 2002 och 2005 var jag Torgny Segerstedt Pro Futura Fellow vid Swedish Collegium for Advanced Study (SCAS) i Uppsala.

2003 blev jag docent i sociologi, och 2004 universitetslektor, vid Stockholms Universitet, där jag var prefekt vid Sociologiska institutionen 2006 till 2008.

Jag flyttade till en professur vid Jacobs University Bremen i Tyskland 2008 och rekryterades till Lunds universitet som professor 2012.

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