Notable scholars have considered the conditions under which rules of customary law can emerge spontaneously through the voluntary interaction and exchange of states in the international community. In this paper, we model the process of international customary law formation under different...

Customary international law is one of the three main sources of international law; lamentably, it has historically received little attention from law and economics scholars, despite providing rich material for economic analysis. In this chapter, we provide a concise overview of recent research...