@booklet {stavins_u.s._2007,
	title = {A U.S. Cap-and-Trade System to Address Global Climate Change},
	year = {2007},
	note = {F-21},
	month = {oct},
	publisher = {The Hamilton Project},
	type = {Discussion Paper},
	address = {Washington, D.C.},
	author = {Robert N. Stavins}
}
