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2011/09/16

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Imitating emotions instead of strategies in spatial games elevates social
welfare, arXiv
 









Abstract: The success of imitation as an evolutionary driving force in spatial
games has often been questioned, especially for social dilemmas such as the
snowdrift game, where the most profitable may be the mixed phase sustaining both
the cooperative as well as the defective strategy. Here we reexamine this
assumption by investigating the evolution of cooperation in spatial social
dilemma games, where instead of pure strategies players can adopt emotional
profiles of their neighbors. For simplicity, the emotional profile of each
player is determined by two pivotal factors only, namely how it behaves towards
less and how towards more successful neighbors. We find that imitating emotions
such as goodwill and envy instead of pure strategies from the more successful
players reestablishes imitation as a tour de force for resolving social dilemmas
on structured populations without any additional assumptions or strategic
complexity.
Source: Imitating emotions instead of strategies in spatial games elevates
social welfare[ http://arXiv.org/abs/1109.1712 ], Attila Szolnoki, Neng-Gang
Xie, Chao Wang, Matjaz Perc, arXiv:1109.1712, 2011/09/08

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