The endogenous growth models of the early 1990's predicted scale effects: larger population - more resources devoted to R&D - faster productivity growth. As pointed out by Jones (1995) this prediction is not consistent with the experience of industrialized countries like the U.S. over the...

This paper reviews the economics approach to conflict and national borders. The paper (a) provides a summary of ideas and concepts from the economics literature on the size of nations; (b) illustrates them within a simple analytical framework where populations fight over borders and resources,...

This paper presents concepts from economic analysis that shed light on the formation and breakup of sovereign states. First, we discuss the key trade-off between economies of scale in the provision of public goods and political costs from heterogeneity of preferences. Second, we present four...

This paper discusses the process of European institutional integration from a political-economy perspective, linking the long-standing political debate on the nature of the European project to the recent economic literature on political integration and disintegration. First, we introduce the...