The burgeoning literature on informal governance has shed new light on the workings of international organizations and the hidden rules of the game. The common thrust of these studies is that informal governance is the result of an implicit agreement among states that, in order to sustain...

This article uses the informal governance framework to elucidate the connection between regime transition and participation in regional international organizations (IOs). In particular, this study focuses on non-democratic regional IOs and examines the empirical case of the Commonwealth of...

The renaissance in the theoretical analysis of intergovernmental organizations (IGOs) has focused on formal IGOs (FIGOs), but many IGOs are subject to no formal treaty and/or have no permanent secretariat. Important examples of informal IGOs (IIGOs) include the G-groups that are the locus of...

States often create international institutions that impose legally binding rules on member states, and then do not even attempt to enforce these rules. Why? In this article, we present a game-theoretic model of moribund hard law in international institutions. We show that if some states face...