@article{Hoel2001,
	title = {Taxes and quotas for a stock pollutant with multiplicative uncertainty},
	author = {Michael Hoel and Larry Karp},
	journal = {Journal of Public Economics},
	month = {Oct},
	number = {1},
	pages = {91--114},
	url = {http://www.sciencedirect.com/science/article/B6V76-43VJP33-4/1/0405d7dd388ea4e970afdae001a9d2db},
	volume = {82},
	year = {2001},
	biburl = {http://www.bibsonomy.org/bibtex/2abbc6173ab9941a2001f6362a148eaa0/smicha},
	keywords = {Pollution control }
}