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          Institute: MPI für Evolutionsbiologie     Collection: Evolutionary ecology     Display Documents

ID: 474672.0, MPI für Evolutionsbiologie / Evolutionary ecology
Human strategy updating in evolutionary games
Authors:Traulsen, Arne; Semmann, Dirk; Sommerfeld, Ralf D.; Krambeck, Hans-Jürgen; Milinski, Manfred
Date of Publication (YYYY-MM-DD):2010-02-16
Title of Journal:Proceedings of the National Academy of Sciences of the United States of America
Journal Abbrev.:PNAS
Issue / Number:7
Start Page:2962
End Page:2966
Review Status:not specified
Audience:Not Specified
Abstract / Description:Evolutionary game dynamics describe not only frequency-dependent genetic evolution, but also cultural evolution in humans. In this context, successful strategies spread by imitation. It has been shown that the details of strategy update rules can have a crucial impact on evolutionary dynamics in theoretical models and, for example, can significantly alter the level of cooperation in social dilemmas. What kind of strategy update rules can describe imitation dynamics in humans? Here, we present a way to measure such strategy update rules in a behavioral experiment. We use a setting in which individuals are virtually arranged on a spatial lattice. This produces a large number of different strategic situations from which we can assess strategy updating. Most importantly, spontaneous strategy changes corresponding to mutations or exploration behavior are more frequent than assumed in many models. Our experimental approach to measure properties of the update mechanisms used in theoretical models will be useful for mathematical models of cultural evolution.
Free Keywords:update mechanisms; cooperation; finite populations; structured populations
External Publication Status:published
Document Type:Article
Affiliations:MPI für Evolutionsbiologie/Abt. Evolutionsökologie
MPI für Evolutionsbiologie/AG Evolutionstheorie
External Affiliations:Junior Research Group Evolution of Cooperation and Prosocial Behavior, Courant Research Center Evolution of Social Behavior, 37077 Göttingen, Germany
Identifiers:ISSN:0027-8424 (print) [ID-No:1]
ISSN:1091-6490 (online) [ID-No:2]
DOI:10.1073/pnas.0912515107 [ID-No:3]
LOCALID:2746/S 39076 [Listen-Nummer/S-Nummer]
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