Greed and fear in multiperson social dilemmas

Matrix games like Prisoner's Dilemma have guided research on social dilemmas for decades. However, they necessarily treat the choice to cooperate or defect as an atomic action. In real-world social dilemmas these choices are temporally extended. ...

We consider a class of multiperson social dilemma games played in large populations. In particular, the popular games, such as for example the N-person Prisoner's Dilemma, the Public Goods, the Tragedy of the Commons, the Volunteer's Dilemma, and the ...

• Aspiration-based exit option in prisoners dilemma game can promote cooperation.

Cooperation is promoted in the structured population when individual has the exit option and it is found that aspiration driven updating rules can also promote cooperation to a certain extent. The right to exit gives individuals the ...