3 IZA Discussion Papers
IZA Discussion Paper No. 9584
revised version published as 'Facebook profile picture appearance affects recruiterd first hiring decisions' in: New Media & Society, 2018, 20 (3), 1220 - 1239
IZA Discussion Paper No. 6100
published in: Economics Letters, 2012, 117 (2), 441-444
IZA Discussion Paper No. 778