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Title:Evolution of conditional cooperation under multilevel selection
Authors:ID Zhang, Huanren (Author)
ID Perc, Matjaž (Author)
Files:.pdf Scientific_Reports_2016_Zhang,_Perc_Evolution_of_conditional_cooperation_under_multilevel_selection.pdf (1,65 MB)
MD5: 8713D56DA5EAA3980F2F9DDA7759AA63
 
URL http://www.nature.com/articles/srep23006
 
Language:English
Work type:Scientific work
Typology:1.01 - Original Scientific Article
Organization:FNM - Faculty of Natural Sciences and Mathematics
Abstract:We study the emergence of conditional cooperation in the presence of both intra-group and inter-group selection. Individuals play public goods games within their groups using conditional strategies, which are represented as piecewise linear response functions. Accordingly, groups engage in conflicts with a certain probability. In contrast to previous studies, we consider continuous contribution levels and a rich set of conditional strategies, allowing for a wide range of possible interactions between strategies. We find that the existence of conditional strategies enables the stabilization of cooperation even under strong intra-group selection. The strategy that eventually dominates in the population has two key properties: (i) It is unexploitable with strong intra-group selection; (ii) It can achieve full contribution to outperform other strategies in the inter-group selection. The success of this strategy is robust to initial conditions as well as changes to important parameters. We also investigate the influence of different factors on cooperation levels, including group conflicts, group size, and migration rate. Their effect on cooperation can be attributed to and explained by their influence on the relative strength of intra-group and inter-group selection.
Keywords:conditional cooperation, public goods, multilevel selection, physics of social systems
Publication status:Published
Publication version:Version of Record
Year of publishing:2016
Number of pages:str. 1-13
Numbering:Letn. 6
PID:20.500.12556/DKUM-66396 New window
ISSN:2045-2322
UDC:53
ISSN on article:2045-2322
COBISS.SI-ID:22018056 New window
DOI:10.1038/srep23006 New window
NUK URN:URN:SI:UM:DK:ZNOBNWAS
Publication date in DKUM:23.06.2017
Views:905
Downloads:373
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Categories:Misc.
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Record is a part of a journal

Title:Scientific reports
Shortened title:Sci. rep.
Publisher:Nature Publishing Group
ISSN:2045-2322
COBISS.SI-ID:18727432 New window

Document is financed by a project

Funder:ARRS - Slovenian Research Agency
Project number:P5-0027
Name:Prilagajanje slovenskega gospodarstva in razvojna identiteta Slovenije v EU

Licences

License:CC BY 4.0, Creative Commons Attribution 4.0 International
Link:http://creativecommons.org/licenses/by/4.0/
Description:This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.
Licensing start date:23.06.2017

Secondary language

Language:Slovenian
Keywords:pogojno sodelovanje, javne dobrine, večplastna selekcija, fizika socioloških sistemov


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