Introduction / Reuven S. Avi-Yonah & Michael Lang -- European constitutional intergration : the case of direct taxation / Gianluigi Bizioli & Claudio Sacheto -- There is life in the old dog yet : horizontal comparability and the establishment of the internal market / Michael Lang --...

ECJ direct tax cases and domestic constitutional principles: an overview / Claudio Sacchetto -- Double taxation and EC law / Michael Lang -- Nondiscrimination from the perspective of the OECD model and the EC treaty: structural and conceptual issues / Kees van Raad -- The US Supreme Court's...

The five contributions in this legal working paper discuss various aspects of investment arbitration. They were originally presented at the ECB legal colloquium on ‘The new challenges raised by investment arbitration for the EU legal order’ which took place in Frankfurt am Main in 2019.