Publications

We study the effect of political violence on the support for anti-system parties in interwar Italy.

Studying European interwar democracies, we find that both high and low levels of ideological polarization have deleterious consequences …

New data on parliamentary elections, parties, and cabinets in interwar European democracies.

Rules of Legislative and Presidential Elections in Democratic States, 1919-1945.

Rules of Legislative and Presidential Elections in Democratic States, 1946-2020.

Working Papers

We introduce a novel method to study the effect of social cleavages on voting dynamics across Sub-Saharan Africa.

Data Projects

Democratic Electoral Systems

Information on electoral rules in 1,826 legislative elections and 648 presidential elections in democracies since 1919.

The Archive of Interwar Europe Election Data & Assemblies (AIEEDA)

Data on elections, parties, and cabinets in interwar Europe.

Ethnic Power Relations (EPR) Dataset Family 2019

Data on ethnic groups' access to state power, their settlement patterns, links to rebel organizations, transborder ethnic kin …

Ethnic Dimensions Data

Linguistic, religious, and racial cleavages segments of ethnic groups in the Ethnic Power Relations dataset.

Linking Ethnic Data from Africa

Link between 10'000 ethnic categories in 11 datasets on ethnic groups in Africa

Teaching

Below you find a selection of courses I have taught in recent years. I also frequently teach workshops on the statistical programming language R with a focus on data management, graphics, and geographic information systems (GIS). Get in touch if you would like me to teach such a workshop.

University of Essex

University of Exeter

Witten/Herdecke University

ETH Zürich

Contact

  • nils.bormann@uni-wh.de
  • Department of Philosophy, Politics & Economics, Witten/Herdecke University, Alfred-Herrhausen-Straße 50, 58448 Witten, Germany
  • My office hours are on Wednesdays between 15:00 and 17:00.
  • Book an appointment