martes, 21 de diciembre de 2010

Agustín Antúnez wants to keep up with you on Twitter

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Agustín Antúnez wants to keep up with you on Twitter

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viernes, 3 de diciembre de 2010

Recordatorio: Lance Agustin Fesibiush te ha invitado a unirte a Facebook...

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Hola:
Esta persona te ha enviado una solicitud de amistad en Facebook:
Lance Agustin FesibiushLance Agustin Fesibiush
Invitación enviada:
Nov 2, 2010
 


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Facebook es ideal para mantenerte en contacto con tus amigos, publicar fotos, vídeos y crear eventos. Pero antes que nada, tienes que unirte: regístrate hoy para crear tu perfil y conectar con la gente que conoces.
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jueves, 18 de noviembre de 2010

Recordatorio: Lance Agustin Fesibiush te ha invitado a unirte a Facebook...

facebook
Hola:
Esta persona te ha enviado una solicitud de amistad en Facebook:
Lance Agustin FesibiushLance Agustin Fesibiush
Invitación enviada:
Nov 2, 2010
 


Otras personas que están en Facebook y que tal vez conozcas:

Marta Eva Maronna FerrerMarta Eva Maronna Ferrer
 

Facebook es ideal para mantenerte en contacto con tus amigos, publicar fotos, vídeos y crear eventos. Pero antes que nada, tienes que unirte: regístrate hoy para crear tu perfil y conectar con la gente que conoces.
Gracias,
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martes, 2 de noviembre de 2010

Te agregué como amigo en Facebook

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Lance Agustin Fesibiush tiene:
28 amigos
grupo
Te agregué como amigo en Facebook
Hola, Complaciencia.elvagoeselbogui:
He creado un perfil en Facebook donde puedo publicar mis fotos, vídeos y eventos, y quiero agregarte a mis amigos para que puedas verlo. Para ello, necesitas registrarte en Facebook y, después, podrás crear también tu propio perfil.
Gracias,
Lance
Para registrarte en Facebook, sigue este enlace:
¿Ya tienes una cuenta? Agrega esta dirección de correo electrónico a tu cuenta.
Lance Agustin Fesibiush ha invitado a complaciencia.elvagoeselbogui@blogger.com a unirse a Facebook. Si no quieres recibir este tipo de mensajes de Facebook, haz clic aquí para borrar tu nombre de la lista de personas suscritas.
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jueves, 21 de octubre de 2010

The evolution of ethnocentrism

Journal of Conflict Resolution
Volume 50, Issue 6, December 2006, Pages 926-936

ISSN: 00220027
DOI: 10.1177/0022002706293470
Document Type: Article
Source Type: Journal

View at publisher|First author search in Scirus (Opens in a new window)|Locate full-text (Opens in a new window)|Revistas en Serials Solutions (Opens in a new window)|

The evolution of ethnocentrism


Hammond, R.A.a , Axelrod, R.b Correspondence address

a Department of Political Science, University of Michigan, Ann Arbor
b Gerald R. Ford School of Public Policy, University of Michigan, Ann Arbor


Abstract

Ethnocentrism is a nearly universal syndrome of attitudes and behaviors, typically including in-group favoritism. Empirical evidence suggests that a predisposition to favor in-groups can be easily triggered by even arbitrary group distinctions and that preferential cooperation within groups occurs even when it is individually costly. The authors study the emergence and robustness of ethnocentric behaviors of in-group favoritism, using an agent-based evolutionary model. They show that such behaviors can become widespread under a broad range of conditions and can support very high levels of cooperation, even in one-move prisoner's dilemma games. When cooperation is especially costly to individuals, the authors show how ethnocentrism itself can be necessary to sustain cooperation. © 2006 Sage Publications.

Language of original document

English

Author keywords

Agent-based models; Contingent cooperation; Ethnocentrism; Evolutionary models; In-group favoritism

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