Despite the considerable effort and the large financial expenditures spent on measures of Active Labor Market Policy in Germany, relatively little is known about their actual impact. To the contrary, past evaluation efforts typically failed to construct a credible counterfactual situation a...

Since interventions by the public sector generally commit substantial societal resources, the evaluation of effects and costs of policy interventions is imperative. This paper outlines why program evaluation should follow well-respected scientific standards and why it should be performed by...