This research was motivated by the increasing number of foreign students and scientists who are in the United States on temporary visas who are able to change their status to permanent immigrant. Origin countries, among them industrialized western European nations, are concerned about losing...

Unless literally forced to leave, prospective refugees have a choice between staying and flight, subject to constraints, particularly the willingness of a country to grant asylum. Although all options may be unpleasant, they nonetheless represent alternatives amenable to economic analysis, The...