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...

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...

This paper applies a microeconomic-based stylized model to identify the optimal modal split of water supply infrastructure in regions of the Global South against the background of the Sustainable Development Goal (SDG) No. 6. We assume a linear city, with some plausible assumptions on income and...

This papers studies the effects on service quality and consumer surplus of a minimum price which is fixed by a bureaucratic non-monopolistic professional association. It shows that the price set by a Niskanen-type professional assocation will maximize consumer surplus only if consumers demand...

This paper develops an analytical framework for studying the Baumol-Oates efficiency of traditional single instrument abatement policies vis-a-vis green defaults in the face of price inertia and deliberate defaulting of subpopulations. In this special case of behavioural heterogeneity command...

Our paper deals with modeling the effects of introducing a market-based tool for improving end-users' efficiency in an energy market which is already regulated through a cap-and-trade system for green house gas emissions and a quota system meant to improve competitiveness of energy produced...

Die Vereinten Nationen haben das Jahr 2008 zum Internationalen Jahr der Sanitärversorgung ausgerufen. Der Weltwassertag am 22. März erhält damit eine besondere Bedeutung - nicht zuletzt, weil eines der zentralen Millenniumsziele der Vereinten Nationen verfehlt zu werden droht. Das Ziel, die...

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...