“…Conclusions from this literature remain mixed. Several studies find evidence of a suppressive effect of voter ID laws, even within a few months of the adoption of these laws (Alvarez, Bailey, and Katz, ; Barreto, Nuno, and Sanchez, ; de Alth, ; Hajnal, Lagevardi, and Nielson, ; Hood and Bullock, ; U.S. GAO, ; Vercellotti and Andersen, ), while others find no effect (see Ansolabehere, ; Erikson and Minnite, ; Muhlhausen and Sikich, ; Mycoff, Wagner, and Wilson, ; Vercellotti and Andersen, )…”