7 IZA Discussion Papers
IZA Discussion Paper No. 11171
published in: Labour Economics, 2020, 65, Article 101863
IZA Discussion Paper No. 9433
published in: Economics Letters, 2016, 139, 52-56
IZA Discussion Paper No. 8572
published in: International Encyclopedia of the Social & Behavioral Sciences (Second Edition), 2015, Pages 260-265
IZA Discussion Paper No. 8090
published in: Journal of Economic Behavior and Organization, 2014, 105, 30–50.
IZA Discussion Paper No. 7360
shortened version published in: Economics Letters, 2014, 123 (2) 236–239
IZA Discussion Paper No. 5420
published in: Journal of Human Capital, 2012, 6 (1), 35-55
IZA Discussion Paper No. 1246
published in: Journal of Multilingual and Multicultural Development, 2005, 26 (1), 1-11