One focus of the G20 Summit in Hamburg in July 2017 was the United Nations' sustainable development goals, including those set for the water sector. Despite progress, around 800 million people worldwide do not have adequate access to drinking water. Increasing block tariffs are an instrument...

Beim Hamburger G20-Gipfel im Juli 2017 standen unter anderem die nachhaltigen Entwicklungsziele der Vereinten Nationen im Mittelpunkt - auch im Bereich Wasser: Trotz Fortschritten haben bis heute weltweit circa 800 Millionen Menschen keinen Zugang zu einer adäquaten Trinkwasserversorgung. Ein...

Against the background of the human rights to water and the SDG No. 6, vendors play a pivotal role for an IWRM-based water supply system in the future. With the help of a micro-economic model, an optimal modal split is derived, the result of which is that not all households should be served by...

This paper compares the outcomes of corporate self-regulation and traditional ex-ante regulation of network access to monopolistic bottlenecks. In the model of self-regulation, the domestic gas supplier and network owner and the monopsonistic gas customer fix quantities and the network access...

This paper analyzes a modified yardstick competition mechanism (MYC), where the yardstick employed consists of a tariff basket and total costs. This mechanism has a significant information advantage: the regulator ?only? needs to observe total costs and output of all firms. The modified...

We analyze the properties of progressive water tariffs that are often applied in the sector in the form of discretely increasing block tariffs (IBT). We are particularly interested in water tarification in a poverty context where a subsistence level of water has to be allocated to each...

The idea of nudging has become increasingly popular in both academic and political circles. There are, however, many different interpretations of the term 'nudge' which blurs its scope. In this paper, the authors focus on the conceptualization of nudges and its functionality in reference to the...