The effectiveness of international law depends upon the willingness of states to comply with its provisions. Despite the current move towards binding international law, every international organisation grapples with serious instances of non-compliance. As a reaction, numerous international courts and arbitration bodies have been strengthened in the last two decades. Unlike their domestic counterparts, international courts cannot rely on the monopoly of legitimate force as a last resort for restoring compliance. This raises the question under which conditions international courts are...

This book sheds light on the role of regional actors in multilateral negotiations across a series of international organizations.