While there is broad consensus that non-governmental organizations (NGOs) sometimes succeed in influencing policy-making within international organizations (IOs), there is much less agreement on the factors that make NGO lobbying effective. In this article, we make two contributions to this...

Social legitimacy is central to the effectiveness of international organizations (IOs). Yet, so far, we have little systematic knowledge about what drives citizens to support or oppose IOs. In this article, we isolate and assess three alternative explanations of social legitimacy in global...