Before revision:  An evaluation of multiple programs of the Swiss Active Labor Market Policy shows how DML based methods enable a comprehensive policy analysis. However, we find evidence that estimates of individualized heterogeneous effects can become unstable .
After revision:  An evaluation of multiple programs of the Swiss Active Labor Market Policy shows how DML based methods enable a comprehensive program evaluation. Motivated by extreme individualized treatment effect estimates of the DR-learner method, we propose the normalized DR-learner to address this issue .