Cooperation and the Emergence of Role Differentiation in the Dynamics of Social Networks  

Oleh:

Eguiluz, Victor M. ; Zimmermann, Martin G. ; Cela-Conde, Camilo J. ; Miguel, Maxi San

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: AJS: American Journal of Sociology vol. 110 no. 04 (Jan. 2005), page 977-1008.
Topik: Social Networks; Role Differentiation
Fulltext: A13; 2005; 110; 4; 977.win.pdf (302.75KB)

Ketersediaan

Perpustakaan PKPM Nomor Panggil: A13 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

By means of extensive computer simulations, the authors consider the entangled coevolution of actions and social structure in a new version of a spatial Prisoner’s Dilemma model that naturally gives way to a process of social differentiation. Diverse social roles emerge from the dynamics of the system: leaders are individuals getting a large payoff who are imitated by a considerable fraction of the population, conformists are unsatisfied cooperative agents that keep cooperating, and exploiters are defectors with a payoff larger than the average one obtained by cooperators. The dynamics generate a social network that can have the topology of a small world network. The network has a strong hierarchical structure in which the leaders play an essential role in sustaining a highly cooperative stable regime. But disruptions affecting leaders produce social crises described as dynamical cascades that propagate through the network.

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