Erdgas ist auf dem Wärmemarkt einem intensiven Wettbewerb ausgesetzt, der auf der Ersatzmöglichkeit durch andere Energieträger mit gleicher Zweckerfüllung beruht. Wegen der Bedeutung wirtschaftlicher Kriterien für die Substitutionsentscheidung bilden sich Erdgaspreise - rechtliche und...

This study draws on the considerable amount of literature available on the small and artisanal mining sectors in Zimbabwe and examines the extent of the problem to determine if solutions can be found to the current conflict between employment and environment. It is hoped that the study will...

This paper examines the environmental effects of mineral taxes in a framework that recognizes the importance of rates and cumulative externalities and proposes an appropriate corrective tax. It concludes that mineral resources taxation should combine neutral taxes with a dynamic Pigovian type...

Porter hypothesis suggests tougher environmental regulations could spur technological growth, leading to an increase in productivity of market outputs, simultaneously providing greater environmental protection. This study tests the Porter hypothesis in US agriculture using state level data from...

This paper briefly describes difficulties in implementing the principles of sustainable development in new EU member states and discusses the opportunities and threats involved. It gives recommendations for environmental protection and energy policies consequent on these sustainable development...