Grimmer, Justin, Eitan Hersh, Marc Meredith, Jonathan Mummolo, and Clayton Nall. 2018. “Obstacles to Estimating Voter ID Laws’ Effect on Turnout”. The Journal of Politics 80 (3): 1045-51. Reference Link
Mummolo, Jonathan, and Clayton Nall. 2016. “Why Partisans Do Not Sort: The Constraints on Political Segregation”. The Journal of Politics 79 (1): 45-59. Referenced from www.journals.uchicago.edu: Why Partisans Do Not Sort: The Constraints on Political Segregation. Reference Link
