Hirano, Shigeo; Snyder, James M.; Ansolabehere, Stephen; … - In: Quarterly Journal of Political Science 5 (2010) 2, pp. 169-191
Many observers and scholars argue that primary elections contribute to ideological polarization in U.S. politics. We test this claim using congressional elections and roll call voting behavior. Many of our findings are null. We find little evidence that the introduction of primary elections, the...