We model the emergence of an innate, biological sense of property rights where resource scarcity and output contestability reign. Preferences evolve such that, in evolutionarily stable equilibrium, an object is valued more by an individual who possesses it, or has produced it, than if he is...

We investigate the origins of identity and the innate proclivity to draw a distinction between `insiders' and `outsiders'. We propose an evolutionary explanation: we argue that identity arises because it facilitates survival. In an evolutionary setting we endogenize preferences and demonstrate...