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...

This paper challenges the assertion that European politics would be closer to the citizens´ preferences if decision power were transferred from the Council of Ministers to the European Parliament. On the one hand, citizens benefit from a greater transparency in the Parliament´s debates...

This contribution develops a theory on the impact of differentiation on integration and unity among EU member states and discusses empirical evidence from four policy areas. According to the theory, the centripetal effects of closer cooperation among willing EU members on initially unwilling...

For a club such as the European Union, an important question is when, and under which conditions, a subset of the members should be allowed to form inner clubs and enhance cooperation. Flexible cooperation allows members to participate if and only if they benefit, but it generates a freerider...

Processes of regional economic integration have been shaping the economic relations between countries significantly during the last decades. In addition, an increasing integration of the national economies into the global economy has affected these economic relations, too. In an effort to...

The paper presents new results on within-country regional inequality in per capita income for 36 countries during 1995-2005; focusing on Europe but with some non-European countries included for comparison. In 23 of the 36 countries there was a significant increase in regional inequality during the...

Does European economic integration create more inequality between domestic regions, or is the opposite true? We show that a general answer to this question does not exist, and that the outcome depends on the liberalisation scenario. In order to examine the impact of European and international...

In many organizations, decisions are taken by unanimity giving each member veto power. We analyze a model of an organization in which members with heterogenous productivity privately contribute to a common good. Under unanimity, the least efficient member imposes her preferred effort choice on...

National accounts data are always revised. Not only recent data, but also figures dating many years back can be revised substantially. This means that there is a danger that an important part of the central bank's information set is flawed for a long period of time. In this paper we present a...