Veröffentlichungen / Selected Publications:

• Marcus, J., Brodeur, A. and > 300 other authors (2026). Reproducibility and robustness of economics and political science research. Nature 2026, 652. 151-156. Preprint. Replication Package.

• Marcus, J., Brodeur, A.  and > 200 other authors (2026). AI-assisted teams outperform AI-led teams but not human-only teams in assessing research reproducibility in quantitative social science. Proceedings of the National Academy of Sciences (PNAS), 123 (22). Preprint. Replication Package.

• Galkewiecz, A., Marcus, J., Siedler, T. (2026). E-learning at universities: Does starting with difficult questions affect student performance? Journal of Human Capital 2026, 20(3): 389-421. Preprint. Replication Package.

• Bachmeier, M., Marcus, J. (2026). The effect of tuition fees on university graduation. Education Finance and Policy, Preprint. Replication Package.

• Marcus, J., Fink, L. (2025). Replication Code Availability Over Time and Across Fields: Evidence from the German Socio-Economic Panel. Economic Inquiry, 63(2), 357-386. Open Access Publication. Replication Package.

• Marcus, J. (2025). Replication code as a cornerstone of the credibility revolution 2.0. Journal of behavioral and experimental economics, 117.

• Hanzl, L., & Rehm, M. (2023). Less Work, More Labor: School Closures Due to Covid-19 and Parents’ Work Hours in Austria. Feminist Economics.

• Bietenbeck, J., Leibling, A., Marcus, J., Weinhard, F. (2023). Tuition fees and educational attainment, European Economic Review 2023, 104431. Working Paper. Replication Package.

• Apel, J., Rohde, N., & Marcus, J. (2023). The effect of a nighttime curfew on the spread of COVID-19. Health Policy, 129, 104712. Postprint. Replication Package.

• Bäuml, M., Marcus, J., & Siedler, T. (2023). Health effects of a ban on late‐night alcohol sales. Health economics, 32 (1), 65-89. . Open Access Publication.

• Barschkett, M., Huebener, M., Leibing, A., Marcus, J., Margaryan, S. (2023). The Long-Term Effects of Measles Vaccination on Earnings and Employment. A Replication Study of Atwood (American Economic Journal: Economic Policy, 2022). Journal of Comments and Replications in Economics (JCRE),  2 (2023-4), 1-15 . Open Access Publication. Replication Package.

• Koebe, J., & Marcus, J. (2022). The length of schooling and the timing of family formation. CESifo Economic Studies, 68(1), 1-45. Replication Package. Postprint.

• Marcus, J., Siedler, T., & Ziebarth, N. R. (2022). The long-run effects of sports club vouchers for primary school children. American Economic Journal: Economic Policy, 14 (3), 128-65.Working Paper. Replication Package..