IZA Publications
IZA Discussion Paper No. 107
published as 'Fast track or failure: a study of the graduation and dropout rates of Ph D students in economics' in: Economics of Education Review, 2003, 22 (2), 157-166
IZA Discussion Paper No. 102
published in: Journal of Public Economics, 2003, 87 (5), 957-985
IZA Discussion Paper No. 80
published in: K. Zimmerman (ed.) European Migration: What Do We Know? Oxford: OUP, 2005
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