Appealing to the base or to the moveable middle? Incumbents’ partisan messaging before the 2016 U.S. congressional elections

Hemphill, Libby; Shapiro, Matthew D. (2019). Appealing to the base or to the moveable middle? Incumbents' partisan messaging before the 2016 U.S. congressional elections. Journal of Information Technology & Politics. 16(4), 325-341.