Vierteljahrshefte zur Wirtschaftsforschung, Vol. 84 (2015), Iss. 4 : pp. 105–127 | First published online: October 03, 2017
Vierteljahrshefte zur Wirtschaftsforschung, Vol. 84 (2015), Iss. 3 : pp. 107–127 | First published online: October 03, 2017
Applied Economics Quarterly, Vol. 55 (2009), Iss. 1 : pp. 7–37 | First published online: October 23, 2020