The author discusses important questions of social differentiation and relates them to the problems of democracy. Following his belief in the essential unity of the social sciences, he has drawn upon materials from the fields of psychology, economics, political science, and anthropology, as well as sociology. Originally published in 1926.A UNC Press Enduring Edition -- UNC Press Enduring Editions use the latest in digital technology to make available again books from our distinguished backlist that were previously out of print. These editions are published unaltered from the original, and are presented in affordable paperback formats, bringing readers both historical and cultural value.