TY - SER AU - Casas, Andreu AU - Nagler,Jonathan AU - Egan,Patrick J. AU - Bonneau,Richard TI - Who Leads? Who Follows?: Measuring Issue Attention and Agenda Setting by Legislators and the Mass Public Using Social Media Data AV - APSR 113:4 2019 PY - 2019/// CY - Washington PB - Cambridge University Press UR - https://drive.google.com/file/d/1Qq81-ZEkLfv87QCgoIJE9GLWHc_0vN49/view?usp=sharing ER -