Ethnic Boundary Making: Institutions, Power, NetworksWhy does ethnicity matter in certain societies and contexts but not in others? Drawing on the boundary making perspective first championed by anthropologist Fredrick Barth, Andreas Wimmer introduces a comparative analytic of ethnic group formation. He analyzes how and why ethnic boundaries are sometimes associated with inequality and exclusion, with political salience and public debate, with enduring loyalty and thick identities, while in other cases