States write incomplete contracts when negotiating and concluding international treaties. Often, they delegate the interpretation of treaties to third-party adjudicators. Some treaties, especially in environmental law, do not institutionalize adjudication within the treaty regime but leave the...

Economics is not only a subject matter but also a specific methodological approach. Economic analysis in International Economic Law is therefore not confined to economic matters but can be extended to virtually all issues by drawing on the economic approach. It can be used both to explain the...

Traditionally, the enforcement of public international law (PIL) was a task of states: its addressees and its enforcers were states. That has changed recently. Whereas the influence of private market actors on the making of PIL has been extensively analyzed, their influence on its enforcement...

Nudges having paternalistic purposes (paternalistic nudges) pose special legal problems in liberal States. Surprisingly, the discussion on regulation-by-nudging has not focused on the constitutional limits to nudging. Although the property rights of firms potentially infringed by nudging...

This comment on Alan Sykes Article "Economic 'Necessity' in International Law" on AJIL UNBOUND discusses the application of necessity clauses from an economic perspective especially in light of the incentives of investors, who are the third party beneficiaries of the investment treaty/contract....

How should we think about crime deterrence in times of pandemics? The economic analysis of crime tells us that potential offenders will compare the costs and the benefits from crime and from innocence and then choose whichever option is more profitable. We must therefore ask ourselves how this...

We analyze the countervailing incentives that mid-level appellate judges face when deciding whether to remand a case back to the lower court. Although appellate courts' ability to remand cases can mitigate moral hazard problems, by restraining trial court judges, it may sometimes instead...

Constitutional loyalty, the importance ascribed to complying with constitutional rules, is difficult to measure across countries due to differences in context, history, and culture. We overcome this challenge by exploiting the COVID-19 pandemic as an ideal setting in which societies around the...