This paper provides a rationale for group support for political violence in situations where violence does not provide a material benefit. Rabin’s (1993) theory of fairness is adopted to demonstrate that although group violence may not be the equilibrium of a material game it may be a fairness...

The first aim of this paper is to revisit the puzzle of cooperation in large-scale societies.It proposes a game theoretic model showing how endogenous emotion-based punishment can sustain ull cooperation when interactions are not repeated, provided that players' endogenous trust is high enough....