Otto-Friedrich-Universität Bamberg Schindler, S, Bar-haim, E, Barone, C, Fels Birkelund, J, Boliver, V, Capsada-munsech, Q, Erola, J, Facchini, M, Feniger, Y, Heiskala, L, Herbaut, E, Ichou, M, Karlson, K B, Corinna, K, Reimer, D, Traini, C, Triventi, M & Vallet, L-A 2021 ' Educational tracking and long-term outcomes by social origin: Seven countries in comparison ' pp. 1-35 . < https://dynamicsofinequality.org/publication/educational-tracking-and-long-term-outcomes-by-social-origin-seven-countries-in-comparison/ >