“…Previous studies in the urban politics literature have also used the regression discontinuity design to examine the local incumbency advantage (de Benedictis-Kessner, 2018;Ferreira and Gyourko, 2009;Trounstine, 2011), the e↵ects of mayoral partisanship on policy(Ferreira and Gyourko, 2009;Gerber and Hopkins, 2011;de Benedictis-Kessner and Warshaw, 2016), black mayors on city policies(Hopkins and McCabe, 2012), and partisan selection in school boards on segregation(Macartney and Singleton, 2018).…”