Roni Lehrer, Ph.D.

Interim Professor


Address for visitors

Goethe-Universität Frankfurt
Fachbereich Gesellschaftswissenschaften
Campus Westend - PEG
Raum: 3.G 085
Theodor-W.-Adorno-Platz 6
60323 Frankfurt am Main

Tel.: +49 69 798-36653 
E-Mail: lehrer(at)
Raum: 3.G 085

Postal address

Campus Westend - PEG
Theodor-W.-Adorno-Platz 6 / Postfach 40
60629 Frankfurt am Main


please schedule an appointment by sending an e-mail to


Roni Lehrer, Ph.D., acts as Interim Professor of Comparative Politics since October 2021. His research and teaching focus on empirical-analytical studies of political parties. Party competition, intra-party politics, and policy diffusion between political parties are of central importance to his work. Roni further heads research projects at the Mannheim Centre for European Social Research at the University of Mannheim.


Winter term 2023/2024

Government Formation and Termination in Parliamentary Systems

Colloquium for Final Thesis Candidates in Comparative Politics


Juhl, Sebastian, Roni Lehrer, Annelies G. Blom, Alexander Wenz, Tobias Rettig, Ulrich Krieger, Marina Fikel, Carina Cornesse, Elias Naumann, Katja Möhring, Maximiliane Reifenscheid. Forthcoming. "Preferences for Centralized Decision-Making in Times of Crisis: The COVID-19 Pandemic in Germany." In: Debus, Marc, Markus Tepe, and Jan Sauermann (eds.). Jahrbuch für Handlungs- und Entscheidungstheorie.

Schleiter, Petra, Tobias Böhmelt, Lawrence Ezrow, and Roni Lehrer. 2021. "Social Democratic Party Exceptionalism and Transnational Policy Linkages." World Politics.

Naumann, Elias, Katja Möhring, Maximiliane Reifenscheid, Alexander Wenz, Tobias Rettig, Roni Lehrer, Ulrich Krieger, Sebastian Juhl, Sabine Friedel, Marina Fikel, Carina Cornesse and Annelies Blom. 2020. "COVID-19 policies in Germany and their social, political and psychological consequences." European Policy Analysis 6:191–202.

Yordanova, Nikoleta, Mariyana Angelova, Roni Lehrer, Moritz Osnabrügge, and Sander Renes. 2020. "Swaying Citizen Support for EU Membership: Evidence from a Survey Experiment of German Voters." European Union Politics 21(3): 429–450.

Blom, A. G., Cornesse, C., Friedel, S., Krieger, U., Fikel, M., Rettig, T., Wenz, A., Juhl, S., Lehrer, R., Möhring, K., Naumann, E., & Reifenscheid, M. (2020). "High Frequency and High Quality Survey Data Collection: The Mannheim Corona Study". Survey Research Methods 14(2): 171-178.

Lin, Nick and Roni Lehrer. Forthcoming. "Everything to everyone and the conditioning effect of intraparty cohesion: A replication in a cross-national context." Party Politics.

Ezrow, Lawrence, Tobias Böhmelt, Roni Lehrer, and Hugh Ward. Forthcoming. "Follow the foreign leader? Why following foreign incumbents is an effective electoral strategy." Party Politics.

Lehrer, Roni and Nick Lin. 2020. "Everything To Everyone? Not When You Are Internally Divivded." Party Politics 26(6): 783–794.

Lehrer, Roni, Sebastian Juhl, and Thomas Gschwend. 2019. "The Wisdom of Crowds Design for Sensitive Survey Questions." Electoral Studies 57:99-109.

Gschwend, Thomas, Sebastian Juhl, and Roni Lehrer. 2018. "Die 'Sonntagsfrage', soziale Erwünschtheit und die AfD: Wie alternative Messmethoden der Politikwissenschaft weiterhelfen können." Politische Vierteljahresschrift 59(3):493-519.

Lehrer, Roni and Gijs Schumacher. 2018. "Governator vs. Hunter and Aggregator: A simulation of party competition with vote-seeking and office-seeking rules." PLOS ONE 13(2): e0191649.

Böhmelt, Tobias, Lawrence Ezrow, Roni Lehrer, Petra Schleiter, and Hugh Ward. 2017. "Why Dominant Governing Parties Are Cross-Nationally Influential." International Studies Quarterly. 61(4):749-759

Lehrer, Roni, Lawrence Ezrow, Hugh Ward, and Tobias Böhmelt. 2017."Intra-Party Democracy and Responsiveness to Rival Parties' Policies." Social Science Quarterly 98(3):1026-1044.

Böhmelt, Tobias, Lawrence Ezrow, Roni Lehrer, and Hugh Ward. 2016. "Party Policy Diffusion." American Political Science Review 110(2):397-410.

Lehrer, Ron. 2012. "Intra-Party Democracy and Party Responsiveness." West European Politics 35(6):1295-1319.