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No imitation - on local and group interaction, learning and reciprocity in prisoners\

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Author Info
Kirchkamp, Oliver () (Sonderforschungsbereich 504)
Nagel, Rosemarie () (Dep.of Economics, Universitat Pompeu Fabra)

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Abstract

This study disentangles experimentally imitation, reinforcement, and reciprocity in repeated prisoners' dilemmas. We compare a simple situation in which players interact only with their neighbours (local interaction) with one where players interact with all members of the population (group interaction). We observe choices under different information conditions and estimate parameters of a learning model. We find that imitation, while assumed to be a driving force in many models of spatial evolution, is often a negligible factor in the experiment. Behaviour is predominantly driven by reinforcement learning.

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Publisher Info
Paper provided by Sonderforschungsbereich 504, Universität Mannheim & Sonderforschungsbereich 504, University of Mannheim in its series Sonderforschungsbereich 504 Publications with number 03-04.

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Length: 27 pages
Date of creation: 25 Feb 2003
Date of revision:
Handle: RePEc:xrs:sfbmaa:03-04

Note: Financial support from the Deutsche Forschungsgemeinschaft, SFB 504, at the University of Mannheim and the Spanish DGIC Tecnica PB95-0983is gratefully acknowledged.
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Related research
Keywords: Local interaction; experiments; prisoner's dilemma; learning; reinforcement; repeated games;

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Find related papers by JEL classification:
C72 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Noncooperative Games
C92 - Mathematical and Quantitative Methods - - Design of Experiments - - - Laboratory, Group Behavior
D74 - Microeconomics - - Analysis of Collective Decision-Making - - - Conflict; Conflict Resolution; Alliances
D83 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Search, Learning, and Information
H41 - Public Economics - - Publicly Provided Goods - - - Public Goods
R12 - Urban, Rural, and Regional Economics - - General Regional Economics - - - Size and Spatial Distributions of Regional Economic Activity; Interregional Trade (economic geography)

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References listed on IDEAS
Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
  1. Ellison, Glenn, 1993. "Learning, Local Interaction, and Coordination," Econometrica, Econometric Society, vol. 61(5), pages 1047-71, September. [Downloadable!] (restricted)
  2. Kirchkamp, Oliver, 1999. "Simultaneous evolution of learning rules and strategies," Journal of Economic Behavior & Organization, Elsevier, vol. 40(3), pages 295-312, November. [Downloadable!] (restricted)
    Other versions:
  3. Erev, Ido & Roth, Alvin E, 1998. "Predicting How People Play Games: Reinforcement Learning in Experimental Games with Unique, Mixed Strategy Equilibria," American Economic Review, American Economic Association, vol. 88(4), pages 848-81, September. [Downloadable!] (restricted)
  4. Antoni Bosch-Domènech & Nicolaas J. Vriend, 1998. "Imitation of Succesful Behavior in Cournot Markets," Economics Working Papers 269, Department of Economics and Business, Universitat Pompeu Fabra, revised May 1999. [Downloadable!]
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  5. repec:att:wimass:199612r is not listed on IDEAS
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