III, Samuel Merrill; Grofman, Bernard; Brunell, Thomas L - In: Journal of Theoretical Politics 26 (2014) 4, pp. 548-572
While there are many formal models that generate predictions about polarization, only a handful address the question of … how, with no change in electoral rules, levels of polarization can dramatically vary over time, as they have in the US … tethers maintained by the national parties and congressional polarization, suggests implications for political competition …