@article{Bell1991,
	title = {Regional heterogeneity, migration, and shadow prices},
	author = {Clive Bell},
	journal = {Journal of Public Economics},
	month = {Oct},
	number = {1},
	pages = {1--27},
	url = {http://www.sciencedirect.com/science/article/B6V76-45S9602-2/1/71a1012b199e3603608199a9073b794e},
	volume = {46},
	year = {1991},
	biburl = {http://www.bibsonomy.org/bibtex/2856c53b4b603010057722594948ec0c0/smicha},
	keywords = {imported }
}