EU carbon prices signal high policy credibility and farsighted actors

Author:

Sitarz JoannaORCID,Pahle MichaelORCID,Osorio SebastianORCID,Luderer Gunnar,Pietzcker RobertORCID

Abstract

AbstractCarbon prices in the EU emissions trading system are a key instrument driving Europe’s decarbonization. Between 2017 and 2021, they surged tenfold, exceeding €80 tCO2−1 and reshaping investment decisions across the electricity and industry sectors. What has driven this increase is an open question. While it coincided with two significant reforms tightening the cap (‘MSR reform’ and ‘Fit for 55’), we argue that a reduced supply of allowances alone cannot fully explain the price rise. A further crucial aspect is that actors must have become more farsighted as the reform signalled policymakers’ credible long-term commitment to climate targets. This is consistent with model results that show historic prices can be better explained with myopic actors, whereas explaining prices after the reforms requires actors to be farsighted. To underline the role of credibility, we test what would happen if a crisis undermines policy credibility such that actors become myopic again, demonstrating that carbon prices could plummet and endanger the energy transition.

Funder

European Commission

German Federal Ministry of Education and Research

Publisher

Springer Science and Business Media LLC

Reference76 articles.

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3. Gerlagh, R., Heijmans, R. J. R. K. & Rosendahl, K. E. Shifting concerns for the EU ETS: are carbon prices becoming too high? Environ. Res. Lett. 17, 054018 (2022).

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