In this analysis of human capital and the effects of its regional migration, Colberg defines such capital as that segment of the population in which substantial investment has been made, primarily by means of education, and thus distinguishes it from labor, which is considered the relatively unskilled segment. Originally published in 1965. 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.