This SIMAT Working Paper deals with an intensively discussed topic in the German natural gas economy: The price-link in natural gas contracts. Because of opposite price developments of the energy commodities such as oil, coal or natural gas, the traditionally used oil price-link is facing a...

This SIMAT Working Paper deals with an intensively discussed topic in the German natural gas economy: The price-link in natural gas contracts. Because of opposite price developments of the energy commodities such as oil, coal or natural gas, the traditionally used oil price-link is facing a...

In 2007, Germany changed network access regulation in the natural gas sector and introduced a so-called entry-exit system. The re-regulation's spot market effects remain to be examined. We use cointegration analysis and a state space model with time-varying coefficients to study the development...

As a result of the Russian attack on Ukraine, natural gas prices skyrocketed in 2022 and Germany in particular felt the impact of its strong dependency on Russia. Prices have since relaxed, the European natural gas industry has overcome the uncertainty due to the energy crisis in 2022, and the...

The question non longer is if more competition should be introduced in the German water and sewerage sector. The issue rather is what kind of competition ought to be implemented. There are mainly three different approaches: Competition in the Market; Competition for the Market and the...

Due to recent legislation, Benchmarking in the German water and sewerage sector will be introduced as widely as possible. Under certain conditions this decision by the German Bundestag might help to improve the efficiency of the industry. I will define two sets of conditions. First, a useful...

There is a lack of competition in the German water and sewerage sector. According to economic theory levels of service can be expected to be inefficient. I will check this hypothesis and therefore take a closer look at various categories of levels of service. In analysing the internet pages of...

Europe's increasing import dependency in natural gas facilitates a number of new infrastructure projects. However, up to now it has always been difficult to assess the full impact of these projects as interdependencies within the whole European gas infrastructure system were hard to predict. We...