Applied Economics Quarterly, Vol. 60 (2014), Iss. 3 : pp. 179–214 | First published online: October 03, 2017
Sozialer Fortschritt, Vol. 69 (2020), Iss. 10 : pp. 667–685 | First published online: October 15, 2020
Sozialer Fortschritt, Vol. 72 (2023), Iss. 4 : pp. 329–343 | First published online: April 11, 2023
Sozialer Fortschritt, Vol. 66 (2017), Iss. 9 : pp. 593–610 | First published online: February 16, 2018
Sozialer Fortschritt, Vol. 66 (2017), Iss. 11 : pp. 741–757 | First published online: February 16, 2018
Vierteljahrshefte zur Wirtschaftsforschung, Vol. 87 (2018), Iss. 1 : pp. 93–103 | First published online: October 19, 2018
Sozialer Fortschritt, Vol. 66 (2017), Iss. 11 : pp. 759–787 | First published online: February 16, 2018