“…In the 1990s, many European countries designed and implemented training programmes as subprogrammes of active labour market policy. Similarly, European empirical studies evaluated the effectiveness of training programmes in the short term and the long term (Fitzenberger & Speckesser, ; Hujer, Thomsen, & Zeiss, ; Jespersen, Munch, & Skipper, ; Larsson, ; Lechner, Miquel, & Wunsch, ; Lechner, Miquel, & Wunsch, ; Sianesi, ), and the heterogeneous effects across different demographic groups (Fitzenberger & Speckesser, ; Gerfin & Lechner, ; Raaum & Torp, ; Regnér, ; Speckesser, ). In addition, some studies found that different training courses have different training effects (Fitzenberger & Völter, ; Gerfin & Lechner, ; Jespersen et al, ; Larsson, ).…”