@article{Davis2003a,
	title = {Market access, economic geography and comparative advantage: an empirical
	test},
	author = {Donald R. Davis and David E. Weinstein},
	journal = {Journal of International Economics},
	month = {Jan},
	number = {1},
	pages = {1--23},
	url = {http://www.sciencedirect.com/science/article/B6V6D-47CXHH7-8/1/b207a94e5e1c99424b9f5a40e9506a87},
	volume = {59},
	year = {2003},
	biburl = {http://www.bibsonomy.org/bibtex/2a467689431282ec3ca871b4656cf3e3e/smicha},
	keywords = {Increasing returns }
}