The law on labour market reforms has severely limited the maximum benefit period for the elderly; with cuts of up to 14 months, depending on the age group. Our paper examines this natural experiment and shows that for the age groups in question, the transition rates from employment to...

During the last two decades many countries have reformed their welfare systems with the aim of shifting labor market policies from passive benefit receipt towards increased job search and work requirements. As part of this shift benefit sanctions are increasingly being used in the activation...

Labour market reforms that are designed to stimulate labour supply at the lower end of the wage distribution can never be precisely restricted to affect only the target group. Spillovers to and feedback from other segments of the labour market are unavoidable and may counteract the direct...

We estimate the effects of the reform of the German Unemployment Insurance that replaced the wage related Unemployment Assistance with an income maintenance program and stronger means testing. We model the tax-benefit system and use the Socio-Economic Panel. We estimate a discrete labour supply...

Voluntary environmental management programs for firms have become an increasingly popular instrument of environmental policy. However, the literature's conclusion on the effectiveness of suchprograms is ambiguous, and for the European region there is a lack of evidence based on a large control...

I study the causal effect of the European Union Emissions Trading System (EU ETS) on the productivity of German manufacturing firms. Using administrative firm-level data, I estimate robust production functions for narrowly defined industries. This approach allows for an endogenous dynamic...