Arbeitspapier
Externalities in Risky Resource Markets - Optimal Taxes, Leakage and Divestment
We consider a global externality of resource use, with the example of greenhouse gas emissions from fossil fuels. A region concerned about climate change may reduce its fuel deposit offer, reduce fuel consumption, and withdraw investments into global fuel extraction. We study leakage rates and optimal taxes on these three activities in a framework with uncertain fuel market returns. Without uncertainty, the unilateral investment tax is welfare-neutral: costless but ineffective divestment. With uncertainty, the regional investment choice affects global fuel usage, and correspondingly the optimal regional fuel policy contains a investment tax in addition to taxes on deposit supply and consumption. Even absent terms-of-trade effects, the optimal unilateral investment tax is a non-marginal fraction of the perceived climate disutility for a region of any size. Equivalently, a rational portfolio optimizer with relevant concern for the climate problem withdraws parts or all of her funds from the carbon sector.
- Sprache
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Englisch
- Erschienen in
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Series: CESifo Working Paper ; No. 5865
- Klassifikation
-
Wirtschaft
Climate; Natural Disasters and Their Management; Global Warming
Energy: Demand and Supply; Prices
Taxation and Subsidies: Externalities; Redistributive Effects; Environmental Taxes and Subsidies
Taxation and Subsidies: Efficiency; Optimal Taxation
- Thema
-
unilateral climate policy
optimal carbon tax
investment uncertainty
carbon leakage
resource rent tax
fossil fuel market
carbon divestment
fuel investment tax
desposit supply tax
exhaustible resources
- Ereignis
-
Geistige Schöpfung
- (wer)
-
Habermacher, Florian
- Ereignis
-
Veröffentlichung
- (wer)
-
Center for Economic Studies and ifo Institute (CESifo)
- (wo)
-
Munich
- (wann)
-
2016
- Handle
- Letzte Aktualisierung
-
10.03.2025, 11:44 MEZ
Datenpartner
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Objekttyp
- Arbeitspapier
Beteiligte
- Habermacher, Florian
- Center for Economic Studies and ifo Institute (CESifo)
Entstanden
- 2016
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