Stable Networks in Homogeneous Societies

Hellmann T, Landwehr J (2014) Center for Mathematical Economics Working Papers; 517.
Bielefeld: Center for Mathematical Economics, Bielefeld University.

Diskussionspapier| Englisch
 
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Abstract / Bemerkung
We study the structure of pairwise stable networks from a very general point. Rather than assuming a particular functional form of utility, we simply assume that the society is homogeneous, i.e. that agents' utilities differ only with respect to their network position while their names do not matter. Existence of certain stable network structures is then implied by fairly general assumptions on externalities between links. Depending on the form of link externalities, either the empty or complete network are always pairwise stable, stable symmetric networks exist, or stable networks with a connected subgroup exist. If the society becomes more homogeneous, then it is possible to characterize the set of all pairwise stable networks: they are nested split graphs (NSG). We illustrate these results with many examples from the literature, including utility profiles that depend on centrality measures such as Bonacich centrality. In particular, for low discount factors every pairwise stable network is an NSG if utility is given by Bonacich centrality.
Stichworte
Network Formation; Pairwise Stability; Existence; Homogeneity; Convexity; Strategic Complements; Bonacich Centrality
Erscheinungsjahr
2014
Band
517
Seite(n)
35
ISSN
0931-6558
Page URI
https://pub.uni-bielefeld.de/record/2708678

Zitieren

Hellmann T, Landwehr J. Stable Networks in Homogeneous Societies. Center for Mathematical Economics Working Papers. Vol 517. Bielefeld: Center for Mathematical Economics, Bielefeld University; 2014.
Hellmann, T., & Landwehr, J. (2014). Stable Networks in Homogeneous Societies (Center for Mathematical Economics Working Papers, 517). Bielefeld: Center for Mathematical Economics, Bielefeld University.
Hellmann, T., and Landwehr, J. (2014). Stable Networks in Homogeneous Societies. Center for Mathematical Economics Working Papers, 517, Bielefeld: Center for Mathematical Economics, Bielefeld University.
Hellmann, T., & Landwehr, J., 2014. Stable Networks in Homogeneous Societies, Center for Mathematical Economics Working Papers, no.517, Bielefeld: Center for Mathematical Economics, Bielefeld University.
T. Hellmann and J. Landwehr, Stable Networks in Homogeneous Societies, Center for Mathematical Economics Working Papers, vol. 517, Bielefeld: Center for Mathematical Economics, Bielefeld University, 2014.
Hellmann, T., Landwehr, J.: Stable Networks in Homogeneous Societies. Center for Mathematical Economics Working Papers, 517. Center for Mathematical Economics, Bielefeld University, Bielefeld (2014).
Hellmann, Tim, and Landwehr, Jakob. Stable Networks in Homogeneous Societies. Bielefeld: Center for Mathematical Economics, Bielefeld University, 2014. Center for Mathematical Economics Working Papers. 517.
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2019-09-25T06:36:11Z
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Pairwise stable networks in homogeneous societies
Hellmann T, Landwehr J (2018) Center for Mathematical Economics Working Papers; 517, Version Januar 2018.
Bielefeld: Center for Mathematical Economics.

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