We study how norms can solve distributional conflict inside a clan and the efficient coordination of collective action … in a conflict with an external enemy.We characterize a fully non-cooperative equilibrium in a finite game in which a self …

diametrically opposed. We apply two benchmark contest success functions (CSFs): the auction CSF and the lottery CSF. Consistent with … the theoretical prediction, under the auction CSF, attackers utilize a stochastic 'guerilla warfare' strategy - in which a …

We study how conflict in contest games is influenced by rival parties being groups and by group members being able to … punish each other. Our motivation stems from the analysis of socio-political conflict. The theoretical prediction is that … conflict expenditures are independent of group size and of whether punishment is available or not. We find, first, that …