This paper explores the potential of an approach suggested by Manski of obtaining nonparametric bounds for treatment effects in evaluation studies without knowledge of the participation process. The practical concern is the effects of continuous vocational training in East Germany. The empirical...

Eco-innovations are crucial for the mitigation of climate change effects. It is therefore important to know if the existing climate change regulations and carbon pricing are appropriate and sufficient to trigger such innovations. Besides government measures, the demand for carbon neutral...

Circular economy (CE) describes an economic concept that aims at saving resources by minimizing the use of material and energy over the entire life-cycle or products, including repair, reuse and recycling. CE innovations help to realize the goals of a sustainable development and target both the...