@inbook {8932,
	title = {The Decline of Competition in Primary Elections},
	booktitle = {The Marketplace of Democracy},
	year = {2006},
	publisher = {Brookings Institution},
	organization = {Brookings Institution},
	address = {Washington, D.C.},
	author = {Stephen Ansolabehere and John Mark Hansen and Shigeo Hirano and James M. Snyder},
	editor = {Michael P. McDonald and John Samples}
}
