P. Rosner, “Sozialpolitik aus der Sicht der ökonomischen Theorie: Reforming the Welfare State”, WUG, vol. 24, no. 3, pp. 399–401, Jul. 1998, Accessed: Mar. 23, 2026. [Online]. Available: https://journals.akwien.at/index.php/wug/article/view/1783