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Título

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

Autor Eguíluz, Víctor M. ; Zimmermann, Martin G.; Cela Conde, Camilo J. ; San Miguel, Maxi
Fecha de publicación 1-ene-2005
Citación American Journal of Sociology 110, 977-1008 (2005)
ResumenBy 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.
Descripción 32 pages.
Versión del editorhttp://dx.doi.org/10.1086/428716
URI http://hdl.handle.net/10261/7447
DOI10.1086/428716
Aparece en las colecciones: (IFISC) Artículos
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