His research focus is on quantitative discourse analysis. In terms of content, the interest lies particularly in the area of European migration discourse of the past decades. His main methodological focus is on natural language processing, regression methods, and network analysis. His expertise includes database management for large data sets.
- Erhard, L., Heiberger, R. H., & Windzio, M. (2021). Diverse Effects of Mass Media on Concerns about Immigration: New Evidence from Germany, 2001–2016. European Sociological Review. https://doi.org/10.1093/esr/jcab063
- Wieczorek, O., Unger, S., Riebling, J., Erhard, L., Koß, C., & Heiberger, R. (2021). Mapping the field of psychology: Trends in research topics 1995–2015. Scientometrics. https://doi.org/10/gk7x93