This paper introduces a new theoretical framework of international unions qua coalitions of countries adopting a common policy and common supranational institutions. We introduce a general class of non-cooperative spatial bargaining games of coalition formation among three countries in order to...

European integration has come to constrain the capacity for democratic political action in EU member states through the judicial constitutionalization of "economic liberties," whereas the capacity for effective political action at the European level is narrowly constrained by the multiple-veto...