Economic approaches are becoming increasingly prominent in international law. A few years ago, Jack Goldsmith and Eric Posner caused a great stir with their account of The Limits of International Law, in which they argued that international law did not have any effect on state conduct. This...

Cyber espionage has become a common method for states to gather confidential information in cyberspace. The vast interconnectedness of the Internet provides a target-rich environment for states to engage in low-risk collection of large amounts of data at an unprecedented speed and scale. Cyber...

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,...

The paper examines the potential of customary international law to protect global public goods. In particular, it focuses on the question whether customary law can contribute to the mitigation of climate change. The analysis proceeds in the three steps. First, it will have a closer look at the...