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...

Looming disasters mostly require collective action but international law is traditionally consent based. For a state to be bound by international law, it needs to have ratified a treaty (e.g. concerning climate change) or must be bound by customary international law. This horizontal form of...

Nudges with paternalistic aims 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 measures are dealt with in the...

Problems which can only be resolved through international cooperation are increasing. Due to this increase, states cooperate more than ever with each other and with international organizations (IOs) but often insufficiently to solve the problems. When social scientists analyze the potential for...

Whereas the rational choice approach to international law has been widely accepted in legal scholarship and international relations theory, challenges to the rational choice paradigm in economic analysis of international law have hitherto not been systematically explored. Nevertheless,...