Fuchs, Johann; Weber, Brigitte - Institut für Arbeitsmarkt- und Berufsforschung (IAB) - 2010
-reaching modifications ensuing from the labour market reforms of 2005 (Hartz IV) have played. Estimations published by IAB in 2005 are used … hidden labour force may be caused by several effects: on the one hand the Hartz IV reforms enforced a principle of … gainfully employed. On the other hand it is possible that the very negative information on Hartz IV spread in the media caused …