We propose a difference-in-differences (DiD) approach to estimate the impact of incentives on cost reduction. We show theoretically, and estimate empirically, that German electricity distribution system operators (DSOs) incur higher costs when subject to a lower-powered regulation mechanism. The...

We propose a difference-in-differences (DiD) approach to estimate the impact of incentives on cost reduction. We show theoretically, and estimate empirically, that German electricity distribution system operators (DSOs) pile up more costs in the year used to determine future prices when subject...

We investigate the rebound effect of a 10% energy cefficiency improvement in the provision of private transport services by German households. In the process, we take into account that household behaviour may be influenced by habits, build on a detailed representation of the provision of private...

This paper studies the role of direct democracy in ensuring efficient and cost effective provision of goods and services in the public sector. The sample consists of the population of municipalities in the German State of Bavaria, where in the mid-1990s considerable direct democratic reforms...