The international mobility of people and elites is a main feature of the global economy of today and yesterday. Immigration augments the labor force in receiving countries and provides many of the bodies and minds that are essential to any vibrant economy. Talented people are critical to the transfer of knowledge, ideas, fresh capital, contacts, and entrepreneurial capacities. This book is based on a blend of theory, varied country examples, and rich historical material ranging from the mid-nineteenth century to the early twenty-first century. It discusses the conceptual underpinnings of the...