Applied Economics Quarterly, Vol. 65 (2019), Iss. 2 : pp. 87–100
Applied Economics Quarterly, Vol. 58 (2012), Iss. 2 : pp. 111–137
Vierteljahrshefte zur Wirtschaftsforschung, Vol. 78 (2009), Iss. 4 : pp. 41–50
Applied Economics Quarterly, Vol. 67 (2021), Iss. 4 : pp. 287–309