Areas of expertise: International Trade and Customs Law, Tax Law
Works in the Tax Law Area with empashis on international taxation, with a particular emphasis on tax treaty disputes in the G20. He applies interdisciplinary approaches, such as game theory and public choice, to investigate how the international tax regime operates. His OJLS piece has been considered one of the most important papers published in the last two decades on all continents. He is the principal author and editor of the first treatise offering a global analysis of tax treaty disputes in the G20 and beyond within the first century of international taxation.