2 IZA Discussion Papers
IZA Discussion Paper No. 11229
revised version published as 'Motivation assessments of temporary agency workers - an empirical analysis based on appraisals compiled by hiring companies' in: management revue - Socio-Economic Studies, 2019, 30, 5-39
IZA Discussion Paper No. 7836
published in: Journal of Behavioral Economics and Finance, 2013, 6, 37-46