Romain Lachat

Romain Lachat is associate professor at CEVIPOF-Sciences Po, which he joined in 2016.

He obtained his PhD in political science at the University of Zurich in 2014. He was a visiting scholar at the political science departments of the University of Montreal (2006-2007) and of New York University (2007-2008). He also worked at the Department of Political and Social Sciences at Pompeu Fabra University, Barcelona, as visiting professor (2010-2014) and associate professor (2014-2015).

His research focuses on the comparative analysis of electoral behaviour and on political representation. He is particularly interested in the impact of political institutions and party characteristics on individual-level behaviour.     He has published in several international political science journals, including Comparative Political Studies, Electoral Studies, the European Journal of Political Research, Political Behavior, and West European Politics.

• Davide Angelucci, Marco Improta, Romain Lachat, Davide Vittori. Time will tear us apart: European electoral participation dynamics in longitudinal perspective. Electoral Studies, 2024, 90, pp.102819. ⟨10.1016/j.electstud.2024.102819⟩. ⟨halshs-04637854⟩
• Romain Lachat, Jean-François Laslier. Alternatives to plurality rule for single-winner elections: When do they make a difference?. European Journal of Political Economy, 2024, 81, ⟨10.1016/j.ejpoleco.2024.102505⟩. ⟨halshs-04630321⟩
• Romain Lachat. Switzerland: The decline of the religious cleavage. José Ramón Montero; Paolo Segatti; Kerman Calvo. Religious Voting in Western Democracies, Oxford University Press, pp.466-481, 2023. ⟨hal-04637856⟩
• Eric Guntermann, Romain Lachat. Policy Preferences Influence Vote Choice When A New Party Emerges: Evidence from the 2017 French Presidential Election. Political Studies, 2023, 71 (3), pp.795-814. ⟨10.1177/00323217211046329⟩. ⟨hal-03885212⟩
• André Blais, Damien Bol, Shaun Bowler, David Farrell, Annika Fredén, et al.. What Kind of Electoral Outcome do People Think is Good for Democracy?. Political Studies, 2023, ⟨10.1177/00323217211055560⟩. ⟨hal-03423514⟩
• Romain Lachat. Gethin (Amory), Martínez-Toledano (Clara), Piketty (Thomas) – Clivages politiques et inégalités sociales. Une étude de 50 démocraties (1948-2020). Revue Française de Science Politique, 2022, 72 (1), pp.203-204. ⟨hal-03897423⟩
• Lorenzo de Sio, Romain Lachat (Dir.). Conflict Mobilisation or Problem-Solving? Issue Competition in Western Europe. Routledge, 2021, 9780367710828. ⟨hal-03897358⟩
• Romain Lachat, Eftichia Teperoglou. Institutional and Party System Effects. Hermann Schmitt; Paolo Segatti; Cees van der Eijk. Consequences of Context: How the Social, Political, and Economic Environment Affects Voting, Rowman & Littlefield, pp.89-109, 2021. ⟨hal-03897374⟩
• Alina Vrânceanu, Romain Lachat. Do parties influence public opinion on immigration? Evidence from Europe. Journal of Elections, Public Opinion and Parties, 2021, 31 (1), pp.1-21. ⟨10.1080/17457289.2018.1554665⟩. ⟨hal-03896953⟩
• Sylvia Kritzinger, Martial Foucault, Romain Lachat, Julia Partheymüller, Caroliona Plescia, et al.. Rally round the flag’: the COVID-19 crisis and trust in the national government. West European Politics, 2021, ⟨10.1080/01402382.2021.1925017⟩. ⟨hal-03566510⟩
• Lorenzo de Sio, Romain Lachat. Conflict Mobilisation or Problem-solving? Issue Competition in Western Europe. West European Politics, 43 (3), 2020. ⟨hal-03897441⟩
• Lorenzo de Sio, Romain Lachat. Making sense of party strategy innovation: challenge to ideology and conflict-mobilisation as dimensions of party competition. West European Politics, 2020, 43 (3), pp.688-719. ⟨10.1080/01402382.2019.1655967⟩. ⟨hal-03897346⟩
• Lorenzo de Sio, Romain Lachat. Issue competition in Western Europe: an introduction. West European Politics, 2020, 43 (3), pp.509-517. ⟨10.1080/01402382.2019.1655957⟩. ⟨hal-03896987⟩
• Peter Selb, Sascha Göbel, Romain Lachat. How to Poll Runoff Elections. Public Opinion Quarterly, 2020, 84 (3), pp.776-787. ⟨10.1093/poq/nfaa039⟩. ⟨hal-03896977⟩
• Romain Lachat, Elie Michel. Campaigning in an unprecedented election. issue competition in the French 2017 presidential election. West European Politics, 2020, Conflict Mobilisation or Problem-solving? Issue Competition in Western Europe, 43 (3), pp.565-586. ⟨10.1080/01402382.2019.1655960⟩. ⟨hal-02382986⟩
• Romain Lachat. France: Setting the stage for 2022. Lorenzo De Sio; Mark N. Franklin; Luana Russo. The European Parliament Elections of 2019, Luiss University Press, pp.141-146, 2019, 9788861054110. ⟨hal-03897426⟩
• Romain Lachat. Party strategies, institutions, and electoral system effects. Peter John Loewen; Daniel Rubenson. Duty and Choice: The Evolution of the Study of Voting and Voters, University of Toronto Press, pp.237-256, 2019. ⟨hal-03897425⟩
• Romain Lachat. Bedock (Camille) – Reforming Democracy: Institutional Engineering in Western Europe. Revue Française de Science Politique, 2019, 69 (3), pp.513-514. ⟨10.3917/rfsp.693.0510⟩. ⟨hal-03897424⟩
• Karine van Der Straeten, Romain Lachat, Jean-François Laslier. Strategic Voting in Multiwinner Elections with Approval Balloting: An Application to the 2011 Regional Government Election in Zurich. Laura B. Stephenson; John H. Aldrich; André Blais. The Many Faces of Strategic Voting: Tactical Behavior in Electoral Systems Around th World, University of Michigan Press, pp.178-202, 2018. ⟨halshs-02103123⟩
• Romain Lachat, Aiko Wagner. How party characteristics drive voters' evaluation criteria. Electoral Studies, 2018, 55, pp.11 - 20. ⟨10.1016/j.electstud.2018.06.008⟩. ⟨hal-03399605⟩
• Pavlos Vasilopoulos, Romain Lachat. Authoritarianism and political choice in France. Acta Politica, 2018, 53 (4), pp.612 - 634. ⟨10.1057/s41269-017-0066-9⟩. ⟨hal-03413599⟩
• Romain Lachat. Which way from left to right?. International Political Science Review, 2018, 39 (4), pp.419 - 435. ⟨10.1177/0192512117692644⟩. ⟨hal-03399613⟩
• Romain Lachat. Associative Issue Ownership and Candidate Preferences in the 2017 French Presidential Election. Brigid Laffan; Lorenzo Cicchi. 2017: Europe's Bumper Year of Elections, European University Institute, pp.223-239, 2018. ⟨hal-03897427⟩
• Romain Lachat. Routledge Handook of European Elections, edited by D. M. Viola. Journal of Common Market Studies, 2017, 55 (1), pp.154-154. ⟨10.1111/jcms.12493⟩. ⟨hal-03571041⟩
• Romain Lachat. Value Cleavages. Kai Arzheimer; Jocelyn Evans; Michael Lewis-Beck. The Sage Handbook of Electoral Behaviour, SAGE Publications, pp.561 - 583, 2017, 9781473913158. ⟨hal-03567644⟩
• Romain Lachat. De l’attractivité des partis politiques. 2016. ⟨hal-03469953⟩
• Romain Lachat. The Role of Party Identification in Spatial Models of Voting Choice. Political Science Research and Methods, 2015, 3 (3), pp.641 - 658. ⟨10.1017/psrm.2015.2⟩. ⟨hal-03399230⟩
• Romain Lachat, Hanspeter Kriesi. “Voluntary PR Voting” in the Election of Swiss Regional Governments. Revue suisse de science politique/Swiss Political Science Review, 2015, 21 (3), pp.419 - 436. ⟨10.1111/spsr.12152⟩. ⟨hal-03399229⟩
• Romain Lachat, André Blais, Ignacio Lago. Assessing the Mechanical and Psychological Effects of District Magnitude. Journal of Elections, Public Opinion and Parties, 2015, 25 (3), pp.284 - 299. ⟨10.1080/17457289.2014.1002791⟩. ⟨hal-03399234⟩
• Romain Lachat, Jean-François Laslier, Karine van Der Straeten. Strategic Voting under Committee Approval: An Application to the 2011 Regional Government Election in Zurich. 2015. ⟨halshs-01168743⟩
• Romain Lachat. Leader Effects and Party Polarization. Marina Costa Lobo; John Curtice. Personality Politics?, Oxford University Press, pp.105 - 123, 2015, 9780199660124. ⟨hal-03568297⟩