2 IZA Discussion Papers
IZA Discussion Paper No. 4444
revised version published as 'Atypical Jobs: Stepping Stones or Dead Ends? Evidence from the NLSY79' in: The Manchester School, 2015, 83(1), 17–55
IZA Discussion Paper No. 2325
published in: Applied Economics, 2009, 41 (9), 1077 - 1087