The Renewable Energy Source Act (EEG) promotes German biogas production in order to substitute fossil fuels, protect the environment, and prevent climate change. As a consequence, green maize production has increased significantly over the last years, causing negative environmental effects on...

This paper compares retail and wholesale electricity prices in SEM, the market of the island of Ireland, and BETTA in Great Britain. Wholesale costs are much lower in BETTA. We show that this is mostly because the wholesale price in BETTA is set too low to cover generation costs, although it is...

With its resource availability and the prospect of climate friendly technology, coal continues to play an important role in the global energy sector. We develop a complementarity model of the international market for steam coal. We want to analyze the level of competition in this market which is...

Land use and land use change are determined as much by economic and institutional drivers as they depend on bio-physical conditions. Future pathways of socio-economic and environmental systems can only be assessed with scenarios which describe possible future paths of development. For this...

Due to rent control, the primary landlord-tenant dilemma prevents landlords from recovering costs of energy-efficiency retrofits, which mainly benefit tenants. This necessitates tenancy law to allocate retrofit and energy costs adequately. We analyze the impact of Germany's current system and...

Background: Over the last 20 years, process mining has become a vibrant research area due to the advances in data management technologies and techniques and the advent of new process mining tools. Recently, the links between process mining and simulation modelling have become an area of...

Coal has for many years been considered as a resource of the past and as a result its importance has been underestimated. Yet coal still is the main pillar for generating electricity in most countries: A quarter of the worldwide primary energy consumption is provided by coal. While the world's...

In spite of the sharp decline of crude oil prices since the fall of 2008, the current price level of approximately $65 per barrel is significantly higher than the long-term average. The market power of the Organization of Petroleum Exporting Countries (OPEC), which is partially responsible for...

Die Bedeutung von Kohle wird heute oft unterschätzt, da sie lange als eine Ressource der Vergangenheit galt. Dabei ist Kohle nach wie vor Grundpfeiler der Stromerzeugung in den meisten Ländern: Ein Viertel des weltweiten Primärenergieverbrauchs wird durch Kohle gedeckt. Während die größten...

Trotz des starken Rückgangs der Rohölpreise seit dem Herbst 2008 ist das Preisniveau mit gegenwärtig rund 60 US-Dollar pro Fass immer noch deutlich höher als im langfristigen Durchschnitt. Die Marktmacht der Organisation erdölexportierender Länder (OPEC) ist nach wie vor sehr groß und...