An interdisciplinary study of the fundamental normative issues underpinning immigration policy.Amongst the issues addressed in this first interdisciplinary study are the proper role of the state in supporting a particular culture, the possible destabilization of the political and social life of a country through immigration and the size and distribution of economic losses and gains.Amongst the issues addressed in this first interdisciplinary study are the proper role of the state in supporting a particular culture, the possible destabilization of the political and social life of a country through immigration and the size and distribution of economic losses and gains.This book is the first interdisciplinary study of the fundamental normative issues underpinning immigration policy. A distinguished group of economists, political scientists, and philosophers offer a stimulating and provocative discussion of this complex topic. Among the issues addressed are the proper role of the state in supporting a particular culture, the possible destabilization of the political and social life of a country through immigration and the size and distribution of economic losses and gains.List of contributors; 1. Immigration, welfare and justice Joseph H. Carens; 2. Citizenship, the demands of justice and the moral relevance of political borders Jules L. Coleman and Sarah K. Harding; 3. A two-country parable James M. Buchanan; 4. Immigration, identity and justice Jean Hampton; 5. Immigration, justice and culture Stephen R. Perry; 6. Fear and loathing at the border Louis Michael Seidman; 7. Immigration policy in liberal political theory Mark Tushnet; 8. The welfare economics of immigration law: a theoretical survey with an analysis of US policy Alan O. Sykes; 9. Just borders: normative economics and immigration law Gillian K. Hadfield; 10. Some caveats on the welfare economics of immigration law Susan B. Vroman; 11. The case for a liberal immigration policy Michael J. Trebilcock. This isl&