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GROUP SELECTION WITH IMPERFECT SEPARATION - AN EXPERIMENT

Friederike Mengel and Veronika Grimm ()

Working Papers. Serie AD from Instituto Valenciano de Investigaciones Económicas, S.A. (Ivie)

Abstract: We experimentally investigate the effect of imperfect separation of groups on group selection and cooperation in a standard prisoner¿s dilemma environment. Subjects can repeatedly choose between two groups, where in one of them an institutionalized norm fosters cooperation. The degree of separation of the two groups is varied between treatments. We find that both, the share of participants that choose into the group where the norm is implemented and the share of participants that cooperate, rise monotonously with the degree of group separation. Furthermore with higher group separation significantly more subjects support the enforcement of the norm.

Keywords: Experiments; Cooperation; Group Selection; Social Norms; Population Viscosity. (search for similar items in EconPapers)
JEL-codes: L13 L23 (search for similar items in EconPapers)
Pages: 44 pages
Date: 2007-04
New Economics Papers: this item is included in nep-cbe, nep-cdm, nep-evo, nep-exp, nep-net and nep-soc
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Published by Ivie

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http://www.ivie.es/downloads/docs/wpasad/wpasad-2007-06.pdf Fisrt version / Primera version, 2007 (application/pdf)

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Persistent link: https://EconPapers.repec.org/RePEc:ivi:wpasad:2007-06

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