New Economics Papers
on Evolutionary Economics
Issue of 2007–04–21
two papers chosen by
Matthew Baker, City University of New York
  1. GROUP SELECTION WITH IMPERFECT SEPARATION - AN EXPERIMENT By Friederike Mengel; Veronika Grimm
  2. Norm compliance: the contribution of behavioral economics models By Marco Faillo; Lorenzo Sacconi
  1. By: Friederike Mengel (Universidad de Alicante); Veronika Grimm (Universidad de Alicante)
    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.
    JEL: L13 L23
    Date: 2007–04
    URL: https://d.repec.org/n?u=RePEc:ivi:wpasad:2007-06
  2. By: Marco Faillo; Lorenzo Sacconi
    Date: 2007
    URL: https://d.repec.org/n?u=RePEc:trn:utwpde:0704
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