Arbeitspapier

Optimal Carbon Taxation and Horizontal Equity: A Welfare-Theoretic Approach with Application to German Household Data

We develop a model of optimal carbon taxation and redistribution taking into account horizontal equity concerns by considering heterogeneous energy efficiencies. By deriving first- and second-best rules for policy instruments including carbon taxes, transfers and energy subsidies, we then investigate analytically how horizontal equity is considered in the social welfare maximizing tax structure. We calibrate the model to German household data and a 30 percent emission reduction goal. Our results show that energy-intensive households should receive more redistributive resources than energy-efficient households if and only if social inequality aversion is sufficiently high. We further find that redistribution of carbon tax revenue via household-specific transfers is the first-best policy. Equal per-capita transfers do not suffer from informational problems, but increase mitigation costs by around 15 percent compared to the first-best for unity inequality aversion. Adding renewable energy subsidies or non-linear energy subsidies, reduces mitigation costs further without relying on observability of households’ energy efficiency.

Sprache
Englisch

Erschienen in
Series: CESifo Working Paper ; No. 8931

Klassifikation
Wirtschaft
Taxation and Subsidies: Efficiency; Optimal Taxation
Taxation and Subsidies: Externalities; Redistributive Effects; Environmental Taxes and Subsidies
Pollution Control Adoption and Costs; Distributional Effects; Employment Effects
Climate; Natural Disasters and Their Management; Global Warming
Thema
carbon price
horizontal equity
redistribution
renewable energy subsidies
climate policy
just transition

Ereignis
Geistige Schöpfung
(wer)
Hänsel, Martin C.
Franks, Max
Kalkuhl, Matthias
Edenhofer, Ottmar
Ereignis
Veröffentlichung
(wer)
Center for Economic Studies and Ifo Institute (CESifo)
(wo)
Munich
(wann)
2021

Handle
Letzte Aktualisierung
10.03.2025, 11:42 MEZ

Datenpartner

Dieses Objekt wird bereitgestellt von:
ZBW - Deutsche Zentralbibliothek für Wirtschaftswissenschaften - Leibniz-Informationszentrum Wirtschaft. Bei Fragen zum Objekt wenden Sie sich bitte an den Datenpartner.

Objekttyp

  • Arbeitspapier

Beteiligte

  • Hänsel, Martin C.
  • Franks, Max
  • Kalkuhl, Matthias
  • Edenhofer, Ottmar
  • Center for Economic Studies and Ifo Institute (CESifo)

Entstanden

  • 2021

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