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Vierteljahrshefte zur Wirtschaftsforschung, Vol. 81 (2012), Iss. 3 : pp. 125–129 | First published online: October 03, 2017
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Sozialer Fortschritt, Vol. 71 (2022), Iss. 9 : pp. 613–636 | First published online: September 13, 2022
