Frontiers of Equality in the Development of EU and US Citizenship

This book provides a framework for comparing EU citizenship and US citizenship as standards of equality. If we wish to understand the legal development of the citizenship of the European Union and its relationship to the nationalities of the member states, it is helpful to examine the history of United States citizenship and, in particular, to elaborate a theory of ‘duplex’ citizenships found in federal orders. In such a citizenship, each person’s citizenship is necessarily ‘layered’ with the ci