American Economic Review

ISSN 0002-8282 (Print) | ISSN 1944-7981 (Online)

Group Affiliation and Altruistic Norm Enforcement

  • Helen Bernhard
  • Ernst Fehr
  • Urs Fischbacher
American Economic Review
vol. 96, no. 2, May 2006
(pp. 217–221)
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