We construct a set of indicators to measure the policy-making role of the European Union (European Council, Parliament, Commission, Court of Justice, etc.), in a selected number of policy domains. Our goal is to examine the division of prerogatives between European institutions and national...

We model an international union as a group of countries deciding together the provision of certain public goods and policies because of spillovers. The countries are heterogeneous either in preferences and/or in economic fundamentals. The trade off between the benefits of coordination and the...

We study the organization of federations - or international unions - which decide together the provision of certain public goods. The benefit of centralization depends on the internalization of the spillovers, that of decentralization on the adaptability to local differences. We individuate as...

The goal of this paper is to evaluate the attribution of policy prerogatives to European Union level institutions and compare them to the implications of normative policy models and to the preferences of European citizens. For this purpose we construct a set of indicators to measure the...