This article addresses the protracted state of political violence in and around the Borana and Guji zones of Oromia region after the introduction of ethnic federalism in Ethiopia. To account for the persistence of the conflict, we must elaborate on the connections between ethnic identity, natural resource and customary institutions by introducing the notion of oprimary identityo. Since the turn of the millennium there is in Ethiopia a theoretically grounded attempt to co-opt customary institutions and elders into modern governance, particularly in the pastoral sector. Field-research focused on the interplay of customary and modern politics during two electoral events, the 2004 referendum organised to solve the border issue between the Somal...