This paper overviews theoretical and empirical contributions that study political borders from an economic perspective. It reviews theories of the number and size of nations focused on the trade-off between economies of scale in public-good provision and heterogeneity of preferences over public...

Intro -- Contents -- List of Figures -- List of Tables -- Preface -- Part 1: Introduction -- 1. Leadership and Hegemony -- Part 2: Hegemony and Collective Goods -- 2. A Collective-Goods Model of International Interdependence -- 3. Stackelberg Leadership and Public Goods -- 4. Predatory Hegemony:...