Within the European Union, there exists a fundamental tension between the fiscal sovereignty of its Member States, in particular in the field of direct taxation, and the requirements of the Internal Market, which aim at the abolition of any regulatory or fiscal obstacles to cross border movement...

This article considers whether the fundamental freedoms of the EC Treaty encompass an absolute requirement on the Member States to mitigate double taxation, and it concludes that such a requirement could reasonably be inferred from the goals of the fundamental freedoms and the European Court of...

Corporate tax levels have fallen substantially in Europe during the last decades. A broad literature has identified tax competition as one reason for this decline in corporate tax levels. However, none of these studies explicitly asks the question whether tax competition within regions is...