Abstract: Anlass dieser Festschrift ist der 65. Geburtstag Professor Dr. Udo Ludwigs, Leiter der makroökonomischen Abteilung am Institut für Wirtschaftsforschung Halle. Professor Ludwigs Arbeit konzentrierte sich in dieser Zeit auf zwei Themenschwerpunkte: Auf den Prozess der Transformation...

While high rates of youth unemployment are a severe problem in most European countries, the program evaluation literature shows that disadvantaged youths constitute a group that is particularly difficult to assist effectively. As innovative measures are thus needed, we evaluate a German pilot...

This paper assesses the dynamics of treatment effects arising from variation in the duration of training. We use German administrative data that have the extraordinary feature that the amount of treatment varies continuously from 10 days to 395 days (i.e. 13 months).This feature allows us to...