Person: Lünenbürger, Benjamin
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Veröffentlichung Are economic principles a driver or a barrier for energy efficiency and climate policy?(2021) Braungardt, Sibylle; Schumacher, Katja; Lünenbürger, Benjamin; Wolff, Franziskaconomic principles are at the heart of key policies addressing or affecting energy efficiency. Minimum energy performance standards are typically based on an economic efficiency principle, where the ambition of the minimum requirements depends on economic costs and benefits. Examples from different governance levels include the least-life-cycle-costs approach in the EU Ecodesign Directive, the cost-optimality approach in the EU Energy Performance of Buildings Directive and the German building codes, where the requirement for micro-level cost efficiency acts as barrier for setting more ambitious standards. Also, some public procurement approaches are based on economic principles, where requirements to include life-cycle costs and/or external environmental costs can provide a driver for the uptake of energy efficiency technologies. In view of the fundamental role of energy efficiency policy for reaching climate targets, this article addresses the question how innovative approaches to use economic principles in policy formulation can foster the deployment of energy efficiency solutions. To this end, we analyse different approaches for using economic principles in minimum energy performance standards and in public procurement processes, including the recently introduced requirement to consider the costs of climate action in Federal procurement processes specified in the German Federal Climate Change Act. We de rive recommendations on how to use economic principles in policy formulation as a driver rather than a barrier for the deployment of energy efficiency solutions. Quelle: BerichtVeröffentlichung Coal phase-out in Germany - implications and policies for affected regions(2020) Oei, Pao-Yu; Hermann, Hauke; Herpich, Philipp; Lünenbürger, BenjaminThe present study examines the consequences of the planned coal phase-out in Germany according to various phase-out pathways that differ in the ordering of power plant closures. Soft-linking an energy system model with an input-output model and a regional macroeconomic model simulates the socio-economic effects of the phase-out in the lignite regions, as well as in the rest of Germany. The combination of two economic models offers the advantage of considering the phase-out from different perspectives and thus assessing the robustness of the results. The model results show that the lignite coal regions will exhibit losses in output, income and population, but a faster phase-out would lead to a quicker recovery. Migration to other areas in Germany and demographic changes will partially compensate for increasing unemployment, but support from federal policy is also necessary to support structural change in these regions. © 2020 The Authors