@inbook {13149,
	title = {Economic Determinants of Geographic and Individual Variation in the Labor Market Position of Young Persons},
	booktitle = {The Youth Labor Market Problem: Its Nature, Causes and Consequences},
	year = {1981},
	pages = {115-154},
	publisher = {University of Chicago Press},
	organization = {University of Chicago Press},
	author = {Richard Freeman}
}
