@article{Laffont1996b,
	title = {Pollution permits and environmental innovation},
	author = {Jean-Jacques Laffont and Jean Tirole},
	journal = {Journal of Public Economics},
	month = {Oct},
	number = {1-2},
	pages = {127--140},
	url = {http://www.sciencedirect.com/science/article/B6V76-3Y3YMN2-5/1/faedae858a479126336c0b2f1242e2e2},
	volume = {62},
	year = {1996},
	biburl = {http://www.bibsonomy.org/bibtex/241211d8cd4913bb4a045c39a2deade35/smicha},
	keywords = {Regulation }
}