Local and Group Interaction in Prisoners` Dilemmas

Oliver Kirchkamp and Rosemarie Nagel

No 00-11, Sonderforschungsbereich 504 Publications from Sonderforschungsbereich 504, Universität Mannheim, Sonderforschungsbereich 504, University of Mannheim

Abstract: We experimentally study the effects of locality in a repeated prisoners' dilemma. We compare players located on a circle with those in neighbourless groups. On circles players interact only with neighbours, but not with distant players. In groups all players interact with each other in the same way. We observe less cooperation on circles than in (neighbourless) groups. This is explained through different learning behaviour and a different way to use cooperation as a signal.

Keywords: Local interaction; Experiments; Prisoners` Dilemma (search for similar items in EconPapers)
JEL-codes: C72 C92 D74 D83 H41 R12 (search for similar items in EconPapers)
Pages: 19 pages
Date: 2000-01-13
New Economics Papers: this item is included in nep-exp and nep-gth
Note: We thank the German DFG (through SFB 303 and SFB 504) and the Spanish DGIC Tecnica PB95-0983 for supporting the project. We are grateful to Jörg Oechsler, Avner Shaked and several seminar participants for helpful comments.
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