The people who live in border towns often have closer relations with people across their immediate borders than with people in the same country as them. Despite how intertwined these border communities often are, neither community can access the governmental institutions of the nation on the other side. Why are the citizens of neighboring regions that lie across an international border often subject to very different governance systems? More broadly, why can''t public services be bought piecemeal, on an a-la-carte basis, with governments competing to provide higher quality services at the lowest cost in a marketplace for government services? These questions lie at the heart of modern International Relations.In The Cartel System of States, Avidit Acharya and Alexander Lee provide a powerful and field-shaping theory to address a fundamental issue in world politics: the character of the territorial nation-state. They contend that the modern territorial state system works as an economic ca
