2026

Dolinsky, Alona O. and Huber, Lena Maria and Horne, Will (2026) PSoGA: Sentence-level and manifesto-level social group appeals in party election manifestos across eight European democracies, 1970–2025. [Dataset]

Zhang, Mingyi (2026) Replication data for: Policymaking activities of caretaker governments in Western Europe. [Dataset]

Debus, Marc and Imre, Michael and Bäck, Hanna (2026) Replication data for: The cost of compromise: How coalition participation shapes party membership. [Dataset]

Dolinsky, Alona O. and Huber, Lena Maria and Horne, Will (2026) Replication data for: Who do parties speak to? Introducing the PSoGA: A new comprehensive database of parties’ social group appeals. [Dataset]

2025

Rittmann, Oliver and Nyhuis, Dominic and Ringwald, Tobias (2025) Replication data for: Gendered patterns of parliamentary attention. [Dataset]

Soiné, Hannah and Lancee, Bram (2025) Replication data for: Diverging ethnic hierarchies? Cultural distance, right-wing authoritarianism, and social distance perceptions in the Netherlands. [Dataset]

Cohen, Denis and Pardos-Prado, Sergi (2025) Replication data for: Regional labor markets, residential mobility, and anti-immigration sentiment. [Dataset]

König, Thomas and Eschenwecker, Stefan (2025) Replication data for: The European Court of Justice and legal European integration. [Dataset]

Koch, Elias and Küpfer, Andreas (2025) Replication data for: The politics of seeking and avoiding discourse in parliament. [Dataset]

Helbling, Marc and Ivarsflaten, Elisabeth and Traunmueller, Richard (2025) Replication data for: Zero-sum thinking and the cultural threat of Muslim immigrants’ religious rights. [Dataset]

2024

Strijbis, Oliver and Morgenstern, Sandra (2024) Replication Data for: Forecasting migration movements using prediction market. [Dataset]

Engst, Benjamin and Grundmanns, David M. and Gschwend, Thomas (2024) Replication data for: How to place non-majoritarian institutions and political actors in a common policy space: Spatial modeling of court-executive interactions. [Dataset]

Schnaudt, Christian (2024) Replication data for: Conspiracy beliefs and perceptions of electoral integrity: Cross-national evidence from 29 countries. [Dataset]

Landesvatter, Camille and Bauer, Paul Cornelius (2024) Replication data for "How valid are trust survey measures? New insights from open-ended probing data and supervised machine learning". [Dataset]

Koehler, Sebastian and König, Thomas (2024) Replication data for: Fiscal governance in the eurozone: How effectively does the stability and growth pact limit governmental debt in the euro countries? [Dataset]

Abou-Chadi, Tarik and Cohen, Denis and Kurer, Thomas (2024) Replication data for: Rental market risk and radical right support. [Dataset]

Mader, Matthias and Münchow, Felix (2024) Reproduction files for: Crumbling in the face of cost? How cost considerations affect public support for European security and defence cooperation. [Dataset]

Tosun, Jale and Debus, Marc and Schaub, Simon and Klein, Sina and Scherer, Ulrike and Goeschl, Timo and Horn, Harald (2024) Water consumption in Germany [dataset]. [Dataset]

2023

Ivarsflaten, Elisabeth and Helbling, Marc and Sniderman, Paul M. and Traunmueller, Richard (2023) Replication data for: Value conflicts revisited: Muslims, gender equality and gestures of respect. [Dataset]

Huber, Lena Maria and Meyer, Thomas M. and Wagner, Markus (2023) Replication data for: Social group appeals in party rhetoric: Effects on policy support and polarization. [Dataset]

Rittmann, Oliver and Gschwend, Thomas and Sohnius, Marie-Lou (2023) Replication data for: Candidate awareness in mixed-member electoral systems: A data-driven approach. [Dataset]

Hahm, Hyeonho and Hilpert, David and König, Thomas (2023) Replication data for: Divided we unite: The nature of partyism and the role of coalition partnership in Europe. [Dataset]

Deth, Jan van and Schmitt-Beck, Rüdiger and Perry, Sarah (2023) Monitoring Democracy in Baden-Wuerttemberg 2016/2017: Citizens and Democracy in Baden-Wuerttemberg. [Dataset]

Rittmann, Oliver and Sohnius, Marie-Lou and Gschwend, Thomas (2023) Replication Data for: Welche Auswirkungen haben größere Wahlkreise auf das politische Verhalten? Ein empirischer Beitrag zur Wahlrechtsreform. [Dataset]

Cohen, Denis and Krause, Werner and Abou-Chadi, Tarik (2023) Replication data for: Comparative vote switching. [Dataset]

Helbling, Marc and Maxwell, Rahsaan and Traunmueller, Richard (2023) Replication data for: Numbers, selectivity and rights: The conditional nature of immigration policy preferences. [Dataset]

Hanretty, Chris and Cohen, Denis (2023) Replication data for: Simulating party shares. [Dataset]

Morgenstern, Sandra (2023) Replication for: (How) Do information campaigns influence migration decisions? [Dataset]

Steiner, Nils D. and Mader, Matthias and Schoen, Harald (2023) Reproduction material for: Subjective losers of globalization. [Dataset]

Münchow, Felix and Mader, Matthias and Thomson, Catarina (2023) Supplemental materials for "European public opinion: united in supporting Ukraine, divided on the future of NATO". [Dataset]

2022

Strijbis, Oliver and Morgenstern, Sandra (2022) Replication data for: Forecasting migration movements using prediction markets. [Dataset]

Gereke, Johanna (2022) Replication data for: Everyday discrimination in public spaces: A field experiment in the Milan metro. [Dataset]

Carteny, Guiseppe and Schmitt, Hermann and Häußling, Wilhelmine and Leiser, Julian and Körnig, Matthias (2022) 2019 European Election Studies (EES) Stacked Data Matrix. [Dataset]

Däubler, Thomas and Debus, Marc and Ecker, Alejandro (2022) Replication data for Party campaign statements and portfolio allocation in coalition governments. [Dataset]

Lehrer, Roni (2022) Replication data for: Assessing the relative influence of party unity on vote choice: Evidence from a conjoint experiment. [Dataset]

Schaub, Max and Auer, Daniel (2022) Replication data for: Rebel recruitment and migration: Theory and evidence from Southern Senegal. [Dataset]

Helbling, Marc (2022) Replication data for: Terrorism and immigration policy preferences. [Dataset]

2021

Hahm, Hyeonho and König, Thomas and Osnabrügge, Moritz and Frech, Elena (2021) Replication data for: Who settles disputes? Treaty design and trade attitudes toward the Transatlantic Trade and Investment Partnership (TTIP). [Dataset]

Gereke, Johanna (2021) Replication data for: Immigration, integration and cooperation: Experimental evidence from a public goods game in Italy. [Dataset]

Blom, Annelies G. and Cornesse, Carina and Friedel, Sabine and Krieger, Ulrich and Fikel, Marina and Rettig, Tobias and Wenz, Alexander and Juhl, Sebastian and Lehrer, Roni and Möhring, Katja and Naumann, Elias and Reifenscheid, Maximiliane and SFB 884 "Political Economy of Reforms" Universität Mannheim (2021) Mannheim Corona Study. [Dataset]

König, Thomas and Lin, Nick and Lu, Xiao and Nascimento da Silva, Thiago and Yordanova, Nikoleta and Zudenkova, Galina (2021) Replication data for: "Agenda control and timing of bill initiation: A temporal perspective on coalition governance in parliamentary democracies". [Dataset]

Areal, João (2021) Replication data for: 'Them' without 'us': Negative identities and affective polarisation in Brazil. [Dataset]

Helbling, Marc (2021) Replication data for: Climate change literacy and migration potential: Micro-level evidence from Africa. [Dataset]

König, Thomas and Ropers, Guido (2021) Replication data for: How gendered is the peer review process? A mixed-design analysis of reviewer feedback. [Dataset]

Elshehawy, Ashrakat and Gavras, Konstantin and Marinov, Nikolay and Nanni, Federico and Schoen, Harald (2021) Replication data for: Illiberal communication and election intervention during the refugee crisis in Germany. [Dataset]

Oshri, Odelia and Harsgor, Liran and Itzkovitch-Malka, Reut and Tuttnauer, Or (2021) Replication data for: Risk aversion and the gender gap in the vote for populist radical right parties. [Dataset]

Neunhoeffer, Marcel and Gschwend, Thomas and Müller, Klara and Munzert, Simon and Stoetzer, Lukas (2021) Replication data for: The Zweitstimme Model: A dynamic forecast of the 2021 German federal election. [Dataset]

Breznau, Nate and Rinke, Eike Mark and Wuttke, Alexander (2021) The Crowdsourced Replication Initiative participant survey. [Dataset]

2020

Gereke, Johanna (2020) Replication data for: Gendered discrimination against immigrants. [Dataset]

Wuttke, Alexander and Gavras, Konstantin and Schoen, Harald (2020) Replication data for: 'Have Europeans grown tired of democracy?'. [Dataset]

Lehrer, Roni and Juhl, Sebastian and Gschwend, Thomas (2020) Replication data for: The wisdom of crowds design for sensitive survey questions. [Dataset]

Mader, Matthias and Pesthy, Maria and Schoen, Harald (2020) Reproduction files for: Conceptions of national identity, turnout and party preference. [Dataset]

Mader, Matthias and Pesthy, Maria and Schoen, Harald (2020) Reproduction files for: The globalisation divide in the public mind: Belief systems on globalisation and their electoral consequences. [Dataset]

2019

Gläßel, Christian and Martin, Paula (2019) Replication data for: Sometimes less is more: Censorship, news falsification, and disapproval in 1989 East Germany. [Dataset]

Wuttke, Alexander and Christian, Schimpf and Schoen, Harald (2019) Replication data for: 'When the whole is greater than the sum of its parts: On the concept and measurement of populist attitudes and other multi-dimensional constructs'. [Dataset]

König, Thomas and Ropers, Guido and Buchmann, Anika (2019) Replication data for: Comparative politics and causal evaluation of structural reforms: The case of the UK national minimum wage introduction. [Dataset]

Bräuninger, Thomas and Debus, Marc and Müller, Jochen and Stecker, Christian (2019) Replication data for: Die programmatischen Positionen der deutschen Parteien zur Bundestagswahl 2017: Ergebnisse einer Expertenbefragung. [Dataset]

Lin, Nick and Osnabrügge, Moritz (2019) Replication data for: Making comprehensible speeches when your constituents need it. [Dataset]

Jäger, Kai (2019) Replication data for: When do campaign effects persist for years? Evidence from a natural experiment. [Dataset]

Mader, Matthias and Steiner, Nils D. (2019) Reproduction files for: Party institutionalization and intra-party preference homogeneity. [Dataset]

Mader, Matthias and Steiner, Nils D. and Schoen, Harald (2019) Reproduction files for: The globalisation divide in the public mind: Belief systems on globalisation and their electoral consequences. [Dataset]

Bauer, Paul Cornelius and Keusch, Florian and Kreuter, Frauke (2019) Reproduction files for: Trust and cooperative behavior: Evidence from the realm of data-sharing. [Dataset]

Bubeck, Johannes and Marinov, Nikolay (2019) Rules and allies: Foreign election interventions. [Dataset]

Balietti, Stefano and Riedl, Christoph (2019) Stratified reward structures and competition in markets for creative production. [Dataset]

2018

Jungherr, Andreas and Mader, Matthias and Schoen, Harald and Wuttke, Alexander (2018) Replication data for: Context-driven attitude formation: The difference between supporting free trade in the abstract and supporting specific trade agreements. [Dataset]

Weber, Hannes (2018) Age structure and political violence: A re-assessment of the ‘youth bulge’ hypothesis. [Dataset]

Däubler, Thomas and Rudolph, Lukas (2018) Replication data for "Cue-taking, satisficing, or both? Quasi-experimental evidence for ballot position effects". [Dataset]

Cohen, Denis (2018) Replication data for: Between strategy and protest: How policy demand, political dissatisfaction and strategic incentives matter for far right voting. [Dataset]

Wuttke, Alexander and Schoen, Harald and Kratz, Agatha and Preißinger, Maria (2018) Replication data for: Ein Umschwung in den letzten Wochen des Landtagswahlkampfes: Befunde einer mehrwelligen Wiederholungsbefragung zur niedersächsischen Landtagswahl 2017. [Dataset]

Neunhoeffer, Marcel and Stoetzer, Lukas and Gschwend, Thomas and Munzert, Simon and Sternberg, Sebastian (2018) Replication data for: Forecasting elections in multi-party systems: A Bayesian approach combining polls and fundamentals. [Dataset]

Juhl, Sebastian and Hilpert, David (2018) Replication data for: Wheeling and dealing behind closed doors: Estimating the causal effect of transparency on policy evaluations using a survey experiment. [Dataset]

Mader, Matthias (2018) Reproduction file for: On the relationship between strategic cultures and support for European defence: A comment on Irondelle, Mérand and Foucault. [Dataset]

Mader, Matthias and Schoen, Harald (2018) Reproduction files for: Alles eine Frage des Blickwinkels? Framing-Effekte und Bevölkerungsurteile über einen möglichen Bundeswehreinsatz in Libyen. [Dataset]

Mader, Matthias and Schoen, Harald (2018) Reproduction files for: Chancellor Merkel, the European debt crisis and the AfD: An analysis of voting behaviour in the 2013 federal election. [Dataset]

Mader, Matthias (2018) Reproduction files for: Citizens’ perceptions of policy objectives and support for military action: Looking for prudence in Germany. [Dataset]

Mader, Matthias and Fiebig, Rüdiger (2018) Reproduction files for: Determinanten der Bevölkerungseinstellungen zum Afghanistaneinsatz. Prädispositionen, Erfolgswahrnehmungen und die moderierende Wirkung individueller Mediennutzung. [Dataset]

Mader, Matthias (2018) Reproduction files for: Grundhaltungen zur Außen- und Sicherheitspolitik in Deutschland. [Dataset]

Mader, Matthias and Scotto, Thomas and Reifler, Jason and Gries, Peter H. and Isernia, Pierangelo and Schoen, Harald (2018) Reproduction files for: How political are national identities? A comparison of the United States, the United Kingdom, and Germany in the 2010s. [Dataset]

Mader, Matthias and Schoen, Harald (2018) Reproduction files for: Ideological voting in context: The case of Germany during the Merkel era. [Dataset]

Steiner, Nils D. and Mader, Matthias (2018) Reproduction files for: Intra-party heterogeneity in policy preferences and its effect on issue salience: Developing and applying a measure based on elite survey data. [Dataset]

Mader, Matthias and Jedinger, Alexander (2018) Reproduction files for: Predispositions, mission-specific beliefs, and public support for military missions: The case of the German ISAF mission in Afghanistan. [Dataset]

Mader, Matthias (2018) Reproduction files for: The European refugee crisis, party competition, and voters’ responses in Germany. [Dataset]

Steinert, Christoph (2018) Trial fairness before impact: Tracing the link between post-conflict trials and peace stability. [Dataset]

2017

Preißinger, Maria (2017) Replication data for: Preißinger, Maria and Meyer, Marco (2015): Einstellungszugänglichkeit im Laufe von Wahlkämpfen: Aktivierungseffekte im Kontext der Bundestagswahlen 2005, 2009 und 2013. Politische Viertelsjahresschrift. Sonderheft "Politische Psychologie": 439-464. [Dataset]

Flentje, Jan-Erik and König, Thomas and Marbach, Moritz (2017) Replication data for: Assessing the validity of the manifesto common space scores. [Dataset]

Jäger, Kai (2017) Replication data for: The potential of online sampling for studying political activists around the world and across time. [Dataset]

Lehrer, Roni and Schumacher, Gijs (2017) Analyses evolutionary models. [Dataset]

Lehrer, Roni and Schumacher, Gijs (2017) Analyses single rule models. [Dataset]

Lehrer, Roni and Schumacher, Gijs (2017) Evolutionary simulations (no analysis). [Dataset]

Lehrer, Roni and Schumacher, Gijs (2017) Evolutionary single rule models (nno analysis). [Dataset]

Blom, Annelies G. and Bruch, Christian and Felderer, Barbara and Gebhard, Franziska and Herzing, Jessica and Krieger, Ulrich and SFB 884 "Political Economy of Reforms" Universität Mannheim (2017) German Internet Panel, Wave 19 - Core Study (September 2015). [Dataset]

Blom, Annelies G. and Bruch, Christian and Felderer, Barbara and Gebhard, Franziska and Herzing, Jessica and Krieger, Ulrich and SFB 884 "Political Economy of Reforms" Universität Mannheim (2017) German Internet Panel, Wave 20 (November 2015). [Dataset]

Bräuninger, Thomas and Debus, Marc and Benoit, Kenneth and Bernauer, Julian and Polidoc.net Team (2017) Polidoc.net CODEBOOK: National and regional manifestos and other political documents collected for the research projects "Representation in Europe: Congruence between preferences of elites and voters" (REPCONG) and "The impact of EU cohesion policy on European identification" (COHESIFY). [Dataset]

Bubeck, Johannes and Marinov, Nikolay (2017) Process or candidate: The international community and the demand for electoral integrity. [Dataset]

König, Thomas and Marbach, Moritz and Osnabrügge, Moritz (2017) Replication data for: Left/Right or U? Estimating the dimensionality of national party competition in Europe. [Dataset]

2016

Leininger, Arndt and Rudolph, Lukas and Zittlau, Steffen (2016) Replication data for: How to increase turnout in low-salience elections. Quasi-experimental evidence on the effect of concurrent second-order elections on political participation. [Dataset]

Marbach, Moritz and Swalve, Tilko (2016) Pre-analysis plan for a survey experiment on committees, voting rules and voters' beliefs. [Dataset]

Bräuninger, Thomas and Müller, Jochen and Stecker, Christian (2016) Replication data for: Modeling preferences using roll call votes in parliamentary systems. [Dataset]

Mader, Matthias (2016) Reproduction files for: Stabilität und Wandel der nationalen Identität in der deutschen Bevölkerung. [Dataset]

2015

Rudolph, Lukas and Däubler, Thomas (2015) Replication data for: Holding individual representatives accountable: The role of electoral systems. [Dataset]

Haber, Matthias (2015) Replication data for: The legislative consequences of internal conflict and inter-party divisions. [Dataset]

Rattinger, Hans and Konzelmann, Laura (2015) Effects of demographic changes on political attitudes and political behavior in Germany. [Dataset]

2014

Lowe, Will (2014) Replication data for: Using Twitter to mobilise protest action. [Dataset]

Mader, Matthias and Pötzschke, Jana (2014) Reproduction files for: National identities and mass belief systems on foreign and security policy in Germany. [Dataset]

2013

Lowe, Will and Benoit, Kenneth (2013) Replication data for: Validating estimates of latent traits from textual data using human judgement as a benchmark. [Dataset]

Mannheimer Zentrum für Europäische Sozialforschung (MZES) and Wissenschaftszentrum Berlin für Sozialforschung (WZB), Berlin and Zentralarchiv für Empirische Sozialforschung, Universität zu Köl and ZUMA, Mannheim (2013) German National Election Study - Post-Election Study 1998 German CSES Study. [Dataset]

Fortunato, David and König, Thomas and Proksch, Sven-Oliver (2013) Government agenda-setting and bicameral conflict resolution. [Dataset]

König, Thomas and Marbach, Moritz and Osnabrügge, Moritz (2013) Replication data for: Estimating party positions across countries and time - A dynamic latent variable model for manifesto data. [Dataset]

König, Thomas and Mäder, Lars (2013) Replication data for: The strategic nature of compliance: An empirical evaluation of law implementation in the central monitoring system of the EU. [Dataset]

2012

Lowe, Will (2012) Replication data for: Understanding wordscores. [Dataset]

2011

Lowe, Will and Benoit, Kenneth and Mikhaylov, Slava and Laver, Michael (2011) Replication data for: The Manifesto Project data extended to include the logit scales and standard errors. [Dataset]

2009

Schmitt, Hermann and Bartolini, Stefano and Brug, Wouter van der and Eijk, Cees van der and Franklin, Mark and Fuchs, Dieter and Toka, Gabor and Marsh, Michael and Thomassen, Jacques J.A. (2009) European Election Study 2004 (2nd edition). [Dataset]

Gschwend, Thomas and Meffert, Michael and Pappi, Franz Urban (2009) Pre-election Survey on the Nationalrat Election in Austria 2006: Expectations and Strategic Voting. [Dataset]

2005

Andersen, Johannes and Andersen, Jörgen Goul and Klingemann, Hans-Dieter and Schmitt, Hermann and Wessels, Bernhard and Binder, Tanja and Curtice, John and Thomassen, Jacques J.A. and Aarts, Kees and Eijk, Cees van der and Wijnen, Pieter van and Aardal, Bernt and Knutsen, Oddbjörn and Listhaug, Ola and Berglund, Frode and Holmberg, Sören and Oscarsson, Henrik and Oskarson, Maria and Kumlin, Staffan (2005) The European Voter Database. Continuity Files of National Election studies in Denmark, Germany, Great Britain, the Netherlands, Norway and Sweden. [Dataset]

1997

Esser, Harmut and von Gotomski, Christian B. and Diefenbach, Heike and Hartmann, Jürgen and Kopp, Johannes (1997) Determinants of Divorce (Pilot Study). [Dataset]

1995

Kaase, Max and Klingemann, Hans-Dieter and Küchler, Manfred and Pappi, Franz Urban (1995) Comparative Election Study 1990: Media Reporting. [Dataset]

Kaase, Max and Klingemann, Hans-Dieter and Küchler, Manfred and Pappi, Franz Urban (1995) Comparative Election Study 1990: Policy Options on German Unity. [Dataset]

1994

Kaase, Max (1994) Comparative Election Study 1990 (Political Conversation Partners). [Dataset]

Kaase, Max (1994) Comparative Election Study 1990 (Primary Respondents, 1st Wave). [Dataset]

Kaase, Max (1994) Comparative Election Study 1990 (Primary Respondents, 2nd Wave). [Dataset]

Kaase, Max (1994) Comparative Election Study 1990 (Primary Respondents, 3rd Wave). [Dataset]

Kaase, Max (1994) Comparative Election Study 1990 (Spouses, 1st Wave). [Dataset]

Kaase, Max (1994) Comparative Election Study 1990 (Spouses, 2nd Wave). [Dataset]

1987

Niedermayer, Oskar and Schmitt, Hermann (1987) European Political Parties' Middle-Level Elites. [Dataset]