Arbeitspapier

Pigou's Advice and Sisyphus' Warning: Carbon Pricing with Non-Permanent Carbon-Dioxide Removal

Carbon dioxide removal from the atmosphere is becoming an important option to achieve net zero climate targets. This paper develops a welfare and public economics perspective on optimal policies for carbon removal and storage in non-permanent sinks like forests, soil, oceans, wood products or chemical products. We derive a new metric for the valuation of non-permanent carbon storage, the social cost of carbon removal (SCC-R), which embeds also the conventional social cost of carbon emissions. We show that the contribution of CDR is to create new carbon sinks that should be used to reduce transition costs, even if the stored carbon is released to the atmosphere eventually. Importantly, CDR does not raise the ambition of optimal temperature levels unless initial atmospheric carbon stocks are excessively high. For high initial atmospheric carbon stocks, CDR allows to reduce the optimal temperature below initial levels. Finally, we characterize three different policy regimes that ensure an optimal deployment of carbon removal: downstream carbon pricing, upstream carbon pricing, and carbon storage pricing. The policy regimes differ in their informational and institutional requirements regarding monitoring, liability and financing.

Language
Englisch

Bibliographic citation
Series: CESifo Working Paper ; No. 10169

Classification
Wirtschaft
Allocative Efficiency; Cost-Benefit Analysis
Taxation and Subsidies: Externalities; Redistributive Effects; Environmental Taxes and Subsidies
Climate; Natural Disasters and Their Management; Global Warming
Environmental Economics: Government Policy
Subject
carbon dioxide removal
carbon capture
social cost of carbon
climate policy
impermanence

Event
Geistige Schöpfung
(who)
Kalkuhl, Matthias
Franks, Max
Gruner, Friedemann
Lessmann, Kai
Edenhofer, Ottmar
Event
Veröffentlichung
(who)
Center for Economic Studies and ifo Institute (CESifo)
(where)
Munich
(when)
2022

Handle
Last update
10.03.2025, 11:45 AM CET

Data provider

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Object type

  • Arbeitspapier

Associated

  • Kalkuhl, Matthias
  • Franks, Max
  • Gruner, Friedemann
  • Lessmann, Kai
  • Edenhofer, Ottmar
  • Center for Economic Studies and ifo Institute (CESifo)

Time of origin

  • 2022

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