We investigate empirically how party ideology influences size and scope of government as measured by the size of government, tax structure and labor market regulation. Our dataset comprises 49 US states over the 1993-2009 period. We employ the new data on the ideological mapping of US...

While scholars and pundits alike have expressed concern regarding increasing social polarization based on partisan identity, there has been little analysis of how social polarization impacts voting. In this paper, we incorporate social identity into a principal-agent model of political...