Engelhardt, Henriette, and Christopher Schmidt. “Effects of Generational Competition and Substitution on Late Labour Participation and Labour Market Exit from a Multilevel Perspective”. Comparative Population Studies 38, no. 4 (December 13, 2013). Accessed March 28, 2024. https://www.comparativepopulationstudies.de/index.php/CPoS/article/view/132.