We model an infinitely repeated Tullock contest, over the sharing of some given resource, between two ethnic groups. The resource is allocated by a composite state institution according to relative ethnic control; hence the ethnic groups contest the extent of institutional ethnic bias. The...

We analyse interethnic cooperation in an infinitely repeated prisoner’s dilemma when members of one group are unable to target punishment towards individual defectors from the other group. We first show that indiscriminate outgroup punishment may sustain cooperation in this setting. Our main...

We model a rent-seeking contest among two "identity ideologues", differentially located along a uni-dimensional identity continuum, and a "mercenary", who can choose any location in-between. The contest jointly awards an identity-relevant good ("religion") and an identity-irrelevant good...