%0 Journal Article %J Electoral Studies %D 2013 %T The lasting effect of competitive elections on congressional approval: Evidence from the 2010 and 2011 Cooperative Congressional Election Study %A Heather K. Evans %B Electoral Studies %V 32 %P 779-782 %G eng %U http://www.sciencedirect.com/science/article/pii/S0261379413000760 %N 4