@article{Porter-Hudak1986,
	title = {The statistical precision of a numerical methods estimator as applied to welfare loss},
	author = {Susan Porter-Hudak and Kathy Hayes},
	journal = {Economics Letters},
	number = {3},
	pages = {255--257},
	url = {http://www.sciencedirect.com/science/article/B6V84-4590WFW-S6/2/8ad629f9337e5527c4b94453fa7bda53},
	volume = {20},
	year = {1986},
	biburl = {http://www.bibsonomy.org/bibtex/2379b13bc01990080bd8b8327431b3e8e/smicha},
	description = {Economics Letters},
	keywords = {imported }
}