We investigate the scope for cooperation within a community engaged in repeated reciprocal interactions. Players seek the help of others and approach them sequentially according to some fixed order, that is, a ranking profile. We study the ranking profiles that are most effective in sustaining...

We investigate the scope for cooperation within a community engaged in repeated reciprocal interactions. Players seek the help of others and approach them sequentially according to some fixed order, that is, a ranking pro file. We study the ranking pro files that are most e ffective in...

We introduce a new solution concept for short-sighted players engaging in a repeated interaction: a Belief-based equilibrium (BBE). In a BBE, players optimize myopically given their beliefs which are not necessarily correct, but are not contradicted by the data. We show that, if the stage game...