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...

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...

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...

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...

Social distancing is important to slow the community spread of infectious disease, but it creates enormous economic and social cost. Thus, it is important to quantify the benefits of different measures. We study the ban of mass gatherings, an intervention with comparably low cost. We exploit...

Each year Germany and many other developed economies spend tens of billions of Euros on active measures of employment promotion with the explicit aim of contributing to the reduction of unemployment. Yet, high unemployment has universally been a persistent problem throughout the last two...

Each year Germany and many other developed economies spend tens of billions of Euros on active measures of employment promotion with the explicit aim of contributing to the reduction of unemployment. Yet, high unemployment has universally been a persistent problem throughout the last two...

Each year Germany and many other developed economies spend tens of billions of Euros on active measures of employment promotion with the explicit aim of contributing to the reduction of unemployment. Yet, high unemployment has universally been a persistent problem throughout the last two...