Below you find materials supplementing my published articles. This includes appendices with additional information as well as data and code to reproduce the findings presented. In case any information you are looking for is missing, feel free to contact me.


Intra-Party Heterogeneity in Policy Preferences and Its Effect on Issue Salience: Developing and Applying a Measure Based on Elite Survey Data

online-appendix (PDF), Stata do-files (zip folder)


Populistische Demokratiekonzeptionen und die Wahl der AfD: Evidenz aus einer Panelstudie

online-appendix and Stata do-file (zip folder)

Attitudes Towards the Transatlantic Trade and Investment Partnership in the European Union: The Treaty Partner Heuristic and Issue Attention

online-appendix (PDF), Stata do-files (zip folder)


Where Democrats Disagree: Citizens’ Normative Conceptions of Democracy

online-appendix and Stata do-file (zip folder)


Comparing Freedom House democracy scores to alternative indices and testing for political bias: Are US allies rated as more democratic by Freedom House?

online-appendix, Stata data set and do-file (zip folder)

Economic Globalisation, the Perceived Room to Manoeuvre of National Governments, and Electoral Participation: Evidence from the 2001 British General Election

online-appendix and Stata do-file (zip folder)


Eurokrise, Economic Voting und der Erfolg der Union bei der Bundestagswahl 2013: Positions- und performanzbasierte Sachfragenorientierungen als Determinanten der Wahlentscheidung

online-appendix (PDF)


Economic Integration, Party Polarization and Electoral Turnout

online-appendix, Stata data set and do-file (zip folder)

Wirtschaft und Wahlverhalten in Westdeutschland zwischen 1977 und 2007: Wer sind die ökonomischen Wähler?

online-appendix (PDF)


Economic Globalization and Voter Turnout in Established Democracies

Stata data set and do-file (zip folder)