This paper presents a positive theory of centralization of political decisions in an international union. My central claim is that lobbies play a role in determining the assignment of competencies to the union because their power of influence can increase or decrease under centralization. I show...

Some committees convene behind closed doors while others publicly discuss issues and make their decisions. This paper studies the role of open and closed committee decision making in presence of external influence. We show that restricting the information of interest groups may reduce the bias...

In the context of a stylised game theoretical framework of capital tax competition, we show that when repeated policy interactions are associated to a systematic punishment of the deviating policymaker, a co-ordinated outcome can be the solution to the non co-operative tax game. This result...