News 10/22/2019 New Article in Party Politics Ulrich Sieberer and Tamaki Ohmura show that electorally vulnerable MPs elected in single member districts are more likely to defect from the party... 09/18/2019 New article in the British Journal of Political Science Ulrich Sieberer and co-authors show that the design of European cabinets is reformed frequently and follows a political logic. 07/17/2019 New Publication in Political Research Quarterly Daniel Höhmann analyzes the effect of the electoral system on the substantive representation of women's interests in the Bundestag. 05/20/2019 New article in West European Politics Daniel Höhmann and Ulrich Sieberer show that cabinet parties in Germany use parliamentary questions to monitor their coalition partner. 04/10/2019 New article in Paliamentary Affairs Ulrich Sieberer and Michael Herrmann show that the Frankfurt Assembly of 1848/49 followed the logic of a parliamentary democracy. 01/08/2019 New article in Legislative Studies Quarterly Ulrich Sieberer and Michael Herrmann explain party formation in the Frankfurt Assembly of 1848 12/07/2018 New article in British Journal of Political Science New datasets on all roll call votes in the Bundestag, 1949-2013 01/09/2018 New article in Party Politics Michael Herrmann and Ulrich Sieberer reconstruct the political space of the Frankfurt Assembly of 1848/49