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http://eprints.org/relation/isVersionOf https://pure.iiasa.ac.at/id/document/70447 http://eprints.org/relation/isVolatileVersionOf https://pure.iiasa.ac.at/id/document/70447 http://eprints.org/relation/isCoversheetVersionOf https://pure.iiasa.ac.at/id/document/70447 archive 351 disk0/00/01/07/15 2016-01-15 08:49:50 2021-08-27 17:23:49 2016-01-15 08:49:50 monograph show 3 Liu Y. Zhang L. Chen X. 1948 Ren L. 1857 Wang L. pub iis_ecl iis_mod prog_eep Prisoner's dilemma; Cooperation; Cautious In the realistic world, individual cautiousness can be often involved or observed when a rational indvidual makes a decision. However, it remains unclear how such individual cautiousness influences the evolution of cooperative behavior. To this end, we consider a Fermi strategy updating rule, where each individual is assigned a cautiousness index that controls its learning activity, and then study the evolution of coperation in the spatial prisoners dilemma game. Interestingly, it is found that cooperation can be significanly promoted when individuals cautiousness is considered. In particular, there exists an optimal range of the degree of cautiousness resulting in the highest cooperation level. The remarkable promotion of cooperation, as well as the emerging phase transition is explained by configurational analysis. The sensitivity of cooperation to initial states with different fractions of cooperators is also discussed. The result illustrates that high densities of cooperators can be established at small initial fractions of cooperators. The detailed mechanism for such phenomenon is explained by analyzing the typical initial configurations. 2013 published IR-13-048 IR-13-048 2575 2331 public interim_report IIASA, Laxenburg, Austria 16 FALSE info:eu-repo/semantics/book