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  When do microscopic assumptions determine the outcome in evolutionary game dynamics?

Wu, B., Bauer, B., Galla, T., & Traulsen, A. (2014). When do microscopic assumptions determine the outcome in evolutionary game dynamics? Retrieved from http://arxiv.org/abs/1406.4030.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0026-DC29-D Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0026-DC32-8
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 Creators:
Wu, Bin1, Author              
Bauer, Benedikt1, Author              
Galla, Tobias, Author
Traulsen, Arne1, Author              
Affiliations:
1Department Evolutionary Theory, Max Planck Institute for Evolutionary Biology, Max Planck Society, ou_1445641              

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Free keywords: Quantitative Biology; Populations and Evolution; q-bio.PE
 Abstract: The modelling of evolutionary game dynamics in finite populations requires microscopic processes that determine how strategies spread. The exact details of these processes are often chosen without much further consideration. Different types of microscopic models, including in particular fitness-based selection rules and imitation-based dynamics, are often used as if they were interchangeable. We challenge this view and investigate how robust these choices on the micro-level really are. Focusing on a key macroscopic observable, the probability for a single mutant to take over a population of wild-type individuals, we show that there is a unique pair of a fitness-based process and an imitation process leading to identical outcomes for arbitrary games and for all intensities of selection. This highlights the perils of making arbitrary choices at the micro-level without regard of the consequences at the macro-level.

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Language(s): eng - English
 Dates: 2014-06-162014-06-16
 Publication Status: Published online
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: arXiv: 1406.4030
URI: http://arxiv.org/abs/1406.4030
 Degree: -

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