Monographs
- Election Campaigns and Voter Decision-Marking in a Multi-Party System: The 2009 and 2013 German Federal Elections. Baden-Baden: Nomos, 2017 (with Hans Rattinger, Maria Preißinger, Konstantin Gavras, Markus Steinbrecher, and the assistance of Elena Werner) . NomosLink. Reproduction. Preview.
- Old Friends in Troubled Waters. Policy Principles, Elites, and U.S.-German Relations at the Citizen Level After the Cold War. Baden-Baden: Nomos, 2016 (with Hans Rattinger, Fabian Endres, Sebastian Jungkunz , Matthias Mader, and Jana Pötzschke). NomosLink. Preview.
- Der Volksentscheid über Stuttgart 21, Opladen: Barbara Budrich, 2014 (with Oscar W. Gabriel and Kristina Faden-Kuhne).
- Das Internet in Wahlkämpfen. Konzepte, Wirkungen und Kampagnenfunktionen, Wiesbaden: Springer VS, 2013 (with Andreas Jungherr).
- Wählerwandel und Wechselwahl. Eine vergleichende Untersuchung, Wiesbaden: Westdeutscher Verlag 2003.