Universität zu Köln

Hintermayer, Martin (2020). A carbon price floor in the reformed EU ETS: Design matters! Energy Policy, 147. OXFORD: ELSEVIER SCI LTD. ISSN 1873-6777

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Abstract

Despite the reform of the European Emissions Trading System (EU ETS), discussions about complementing it with a carbon price floor (CPF) are ongoing. This paper analyzes the effect of a European CPF in the reformed EU ETS using a Hotelling model of the EU ETS, amended by the market stability reserve (MSR), and the cancellation mechanism. Two CPF designs are compared: (1) a buyback program and (2) a top-up tax. The buyback program sets a minimum price for the allowances from the implementation year onwards. After the announcement, firms anticipate the CPF, which immediately increases the carbon price to the discounted CPF level. Therefore, firms emit less and bank more allowances, leading to more intake into the MSR, and more cancellation of allowances. The top-up tax imposes a tax on emissions, which enhances the market price of allowances to the CPF level from the implementation year onwards. Firms increase their short-run emissions in anticipation of the upcoming tax. Only after the implementation year firms start to lower their emissions. Thus, the effect on aggregate cancellation is ambiguous. Despite being equivalent in a static setting, the design choice for the CPF matters in a dynamic context, such as the EU ETS.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Hintermayer, Martin UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-309760
DOI:	10.1016/j.enpol.2020.111905
Journal or Publication Title:	Energy Policy
Volume:	147
Date:	2020
Publisher:	ELSEVIER SCI LTD
Place of Publication:	OXFORD
ISSN:	1873-6777
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language POLICIES Multiple languages Economics; Energy & Fuels; Environmental Sciences; Environmental Studies Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/30976