Ignorance of our time - Working Paper 1a and 1b / 2017 

Challenges for the Freedom of Speech - Working Paper 2 / 2017

Liberal Political Culture & Political Correctness - Working Paper 1 / 2018

The Nation as a Challenge for Liberal Society and Economic Globalization   - Working Paper 2 / 2018

European Identities and the 2015 Migration Crisis - Working Paper 1 / 2019

Contemporary Challenges to Liberal Democracy - Working Paper 2 / 2019

Populism & Political Correctness - Working Paper 1 / 2020