This article reviews recent advances in the study of the European Court of Justice (ECJ) and its political impact at the European and member state levels. New quantitative as well as qualitative analyses show with great empirical precision that member state preferences guide the Court. The...

Recent jurisprudence of the European Court of Justice (ECJ) marks a striking shift towards a more restrictive interpretation of EU citizens' rights. The Court's turnaround is not only highly relevant for practical debates about ‘Social Europe' or ‘welfare migration', but also enlightening...

European state aid control, a part of competition policy, typically follows the logic of negative integration. It significantly constrains the potential for Member States to distort competition by reducing their ability to subsidize industry. In addition, this paper argues, ambiguous Treaty...

European competition law allocates far-reaching competences to the European Commission. The paper asks for the conditions under which the Commission may use these rights against the member states, focusing on the most powerful provision - the right of the Commission under Article 90 to issue...