Powerful states often accept unanimity voting on accession to international institutions, even though this enables weak states to blackmail powerful states into providing costly side payments. Whereas the literature attributes this choice mainly to efforts to bolster the legitimacy of...

This article analyzes the relationship between partisan heterogeneity and cooperation in international organizations. We argue that partisan heterogeneity increases distributional conflict among states during intergovernmental negotiations, thereby increasing the costs of cooperation. This...

Conflicts between European Union (EU) members about enlargement result from its redistributive effects. EU members are more likely to suffer from enlargement if they profit from EU transfers and if they are relatively close to applicant countries in which unemployment is significantly higher...