Ups and downs : how economic growth affects policy interactions

Flues, Florens ; Löschel, Andreas ; Lutz, Benjamin ; Schenker, Oliver

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URN: urn:nbn:de:bsz:180-madoc-346942
Document Type: Working paper
Year of publication: 2013
The title of a journal, publication series: ZEW Discussion Papers
Volume: 13-066
Place of publication: Mannheim
Publication language: English
Institution: Sonstige Einrichtungen > ZEW - Leibniz-Zentrum für Europäische Wirtschaftsforschung
MADOC publication series: Veröffentlichungen des ZEW (Leibniz-Zentrum für Europäische Wirtschaftsforschung) > ZEW Discussion Papers
Subject: 330 Economics
Classification: JEL: Q43 , Q48 , Q58,
Keywords (English): EU climate policy , growth uncertainty , overlapping regulation
Abstract: Current climate and energy policy has to operate under an ex-ante unforeseen economic crisis. An obvious consequence is the collapse of prices for carbon emission allowances as, for example, seen in the European Union. However, this price collapse may be amplified by the interaction of a carbon emission cap and supplementary policy targets such as the minimum shares for renewables in the power sector. The static interaction between climate and renewable policies has been discussed extensively. This paper extends this debate by analysing how uncertain differences in medium to long-run growth rates affect the efficiency and effectiveness of a policy portfolio containing an emission trading scheme and a target for a minimum renewable share. Making use of a simple partial equilibrium model we identify an asymmetric interaction of emissions trading and renewable quotas with respect to different growth rates of an economy. The results imply that unintended consequences of the policy interaction may be particularly severe and costly when economic growth is low and that carbon prices are more sensitive to changes in economic growth if they are applied in combination with renewable energy targets. Our main example for the policy interaction is the EU, yet our research also relates particularly well to the uncertainty of economic growth in fast growing emerging economies like China.

Das Dokument wird vom Publikationsserver der Universitätsbibliothek Mannheim bereitgestellt.

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