@article{Baldwin2004,
	title = {Agglomeration, integration and tax harmonisation},
	author = {Richard E. Baldwin and Paul Krugman},
	journal = {European Economic Review},
	month = {Feb},
	number = {1},
	pages = {1--23},
	url = {http://www.sciencedirect.com/science/article/B6V64-48M7XY5-1/1/723d7374e6e85f89e37f13b21b96d802},
	volume = {48},
	year = {2004},
	biburl = {http://www.bibsonomy.org/bibtex/28896b71bfa3b0619f96e8cdbbb7d8dbf/smicha},
	keywords = {Economic geography }
}