@article{P�rez2007,
	title = {Global and local indeterminacy and optimal environmental public policies in an economy with public abatement activities},
	author = {Rafaela P{\'e}rez and Jes{\'u}s Ruiz},
	journal = {Economic Modelling},
	month = {May},
	number = {3},
	pages = {431--452},
	url = {http://www.sciencedirect.com/science/article/B6VB1-4MWXTHH-1/1/bce5d549806c6b3aab423f9ae27aab25},
	volume = {24},
	year = {2007},
	biburl = {http://www.bibsonomy.org/bibtex/2bd426405c0ec3f8b22d481a47ea97b6e/smicha},
	keywords = {Global and indeterminacy local }
}