The book analyses how international law addresses interactions between international
organizations. In labour governance these interactions are ubiquitous. They offer each
organization an opportunity to promote its model of labour governance yet simultaneously
expose it to adverse influence from others. The book captures this ambivalence and examines the
capacity of international law to mitigate it. Based on detailed case studies of mutual
influence between the International Labour Organization the World Bank and the Council of
Europe the book offers an in-depth analysis of the pertinent law and its key challenges both
at institutional and inter-organizational level. The author envisions a law of
inter-organizational interactions as a normative framework structuring interactions and
enhancing the effectiveness and legitimacy of multi-institutional governance.