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Título: | Cooperation and the Emergence of Role Differentiation in the Dynamics of Social Networks |
Autor: | Eguíluz, Víctor M. CSIC ORCID ; Zimmermann, Martin G.; Cela Conde, Camilo J. CSIC; San Miguel, Maxi CSIC ORCID | Fecha de publicación: | 1-ene-2005 | Citación: | American Journal of Sociology 110, 977-1008 (2005) | Resumen: | 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. | Descripción: | 32 pages. | Versión del editor: | http://dx.doi.org/10.1086/428716 | URI: | http://hdl.handle.net/10261/7447 | DOI: | 10.1086/428716 |
Aparece en las colecciones: | (IFISC) Artículos |
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