Why do actors in international society succeed in forming institutional arrangements or regimes to cope with some transboundary problems but fail to do so in connection with other, seemingly similar, problems? This article employs a threefold strategy to make progress toward answering this...

Leadership plays a critical but poorly understood role in determining the success or failure of the processes of institutional bargaining that dominate efforts to form international regimes or, more generally, institutional arrangements in international society. An examination of the nature of...