Normally, economists take the size of countries as an exogenous variable. Nevertheless, the borders of countries and their size change, partially in response to economic factors such as the pattern of international trade. Conversely, the size of countries influences their economic performance...

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...