Learning and cooperation in network experiments

Kirchkamp, Oliver ; Nagel, Rosemarie

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URL: http://ub-madoc.bib.uni-mannheim.de/2644
URN: urn:nbn:de:bsz:180-madoc-26449
Document Type: Working paper
Year of publication: 2005
The title of a journal, publication series: None
Publication language: English
Institution: School of Law and Economics > Sonstige - Fakultät für Rechtswissenschaft und Volkswirtschaftslehre
MADOC publication series: Sonderforschungsbereich 504 > Rationalitätskonzepte, Entscheidungsverhalten und ökonomische Modellierung (Laufzeit 1997 - 2008)
Subject: 300 Social sciences, sociology, anthropology
Classification: JEL: R12 H41 D83 D74 C92 C72 ,
Subject headings (SWD): Gefangenendilemma , Kooperation , Lernen , Theorie , Test , Soziales Netzwerk
Keywords (English): Imitation , learning , local interaction , heterogeneity of environment , experiments , prisoners' dilemma
Abstract: In this paper we study learning and cooperation in repeated prisoners' dilemmas experiments. We compare interaction neighbourhoods of different sizes and structure and we observe choices under different information conditions and estimate parameters of a learning model. We test robustness of the eastimator. We find that imitation, albeit a driving force in many models of spatial evolution, is often a negligible factor in the experiment. As a result, we find less cooperation.
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