Applied Economics Quarterly, Vol. 55 (2009), Iss. 3 : pp. 179–195
Applied Economics Quarterly, Vol. 55 (2009), Iss. 2 : pp. 147–172
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Applied Economics Quarterly, Vol. 55 (2009), Iss. 3 : pp. 197–217
Vierteljahrshefte zur Wirtschaftsforschung, Vol. 76 (2007), Iss. 1 : pp. 152–161