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Non-technical SummaryEnergy conversion and use are major sources of environmental pollution. Emissions from transport or from burning fossil fuels to produce electricity contribute substantially to global warming and other environmental problems. In line with the economic theory of externalities, several environmental policy measures try to reduce emissions from energy use by influencing the costs of energy consumption. The most important environmental policies in European energy markets are the European emissions trading scheme (EU ETS), energy taxes, subsidies for renewable energy sources, and instruments specifically targeted at the transport sector.A price increase of energy as an input increases production costs. This reduces the domestic and foreign demand for goods and services and, therefore, creates macroeconomic costs. Our paper presents a survey on selected studies on macroeconomic costs of environmental regulation in European energy markets. As some policy measures are initiated on the national level we also include experiences of single Member States, especially Germany.The analysed studies show that the environmental regulation affects the European economy, particularly the energy intensive industries and the industries that produce internationally tradable goods. From a macroeconomic point of view, however, the costs appear to be relatively small. The reason for that is that some sectors benefit from the regulation. If, for example, the regulation creates government revenues which are used to lower non-wage labour costs, this may benefit the labour intensive sectors, such as services. Not surprisingly, macroeconomic costs tend to be higher for more ambitious environmental targets. In this case, also the efficiency of the regulation becomes a more important issue. There are numerous studies on the macroeconomic costs of the EU ETS. Here, the costs depend not only on the assignment of reduction obligations to the sectors participating in the EU ETS but also on the optimal allocation of emission permits between the sectors participating in the ETS and the