Direct Sum Matrix Game with Prisoner's Dilemma and Snowdrift Game

Chengzhang Ma, Wei Cao, Wangheng Liu, Rong Gui and Ya Jia

PLOS ONE, 2013, vol. 8, issue 12, 1-7

Abstract: A direct sum form is proposed for constructing a composite game from two games, prisoner's dilemma and snowdrift game. This kind of direct sum form game is called a multiple roles game. The replicator dynamics of the multiple roles game with will-mixed populations is explored. The dynamical behaviors on square lattice are investigated by numerical simulation. It is found that the dynamical behaviors of population on square lattice depend on the mixing proportion of the two simple games. Mixing SD activities to pure PD population inhibits the proportion of cooperators in PD, and mixing PD activities to pure SD population stimulates the proportion of cooperators in SD. Besides spatial reciprocity, our results show that there are roles reciprocities between different types of individuals.

Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0081855

DOI: 10.1371/journal.pone.0081855

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