Research has shown that seeking to benefit the own group can under certain conditions achieve the opposite result when the beneficiary inter-group cooperation opportunity is undermined with a prisoners' dilemma type tribal interest conflict. In this paper, I reconsider this problem using...

We investigate corruption as a social dilemma by means of a bribery game in which a risk of collective failure is introduced when the number of public officials accepting a bribe from firms reaches a certain threshold. We show that, despite the social risk, the pursuit of individual interest...