TY - JOUR T1 - Electoral choice in the American states: Incumbency effects, partisan forces, and divergent partisan majorities AU - Cowart, Andrew T. PY - 1973 SP - 835 EP - 853 JO - American Political Science Review VL - 67 IS - 3 SN - 0003-0554 UR - http://www.jstor.org/stable/1958628 ER -