@article {315246,
	title = {The lasting effect of competitive elections on congressional approval: Evidence from the 2010 and 2011 Cooperative Congressional Election Study},
	journal = {Electoral Studies},
	volume = {32},
	number = {4},
	year = {2013},
	pages = {779-782},
	url = {http://www.sciencedirect.com/science/article/pii/S0261379413000760},
	author = {Heather K. Evans}
}
