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Priority for the Worse Off and the Social Cost of Carbon

Author

Listed:
  • Matthew Adler

    (Duke University School of Law)

  • David Anthoff

    (Energy and Resources Group, University of California)

  • Valentina Bosetti

    (Bocconi University)

  • Greg Garner

    (The Pennsylvania State University)

  • Klaus Keller

    (The Pennsylvania State University and Carnegie Mellon University)

  • Nicolas Treich

    (INRA, University of Toulouse)

Abstract

The social cost of carbon (SCC) is a monetary measure of the harms from carbon emission. Specifically, it is the reduction in current consumption that produces a loss in social welfare equivalent to that caused by the emission of a ton of CO2. The standard approach is to calculate the SCC using a discounted-utilitarian social welfare function (SWF)—one that simply adds up the well-being numbers (utilities) of individuals, as discounted by a weighting factor that decreases with time. The discounted-utilitarian SWF has been criticized both for ignoring the distribution of well-being, and for including an arbitrary preference for earlier generations. Here, we use a prioritarian SWF, with no time-discount factor, to calculate the SCC in the integrated assessment model RICE. Prioritarianism is a well-developed concept in ethics and theoretical welfare economics, but has been, thus far, little used in climate scholarship. The core idea is to give greater weight to well-being changes affecting worse off individuals. We find substantial differences between the discounted-utilitarian and non-discounted prioritarian SCC.

Suggested Citation

  • Matthew Adler & David Anthoff & Valentina Bosetti & Greg Garner & Klaus Keller & Nicolas Treich, 2016. "Priority for the Worse Off and the Social Cost of Carbon," Working Papers 2016.55, Fondazione Eni Enrico Mattei.
    • Handle: RePEc:fem:femwpa:2016.55
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    7. Edenhofer, Ottmar & Flachsland, Christian & Kalkuhl, Matthias & Knopf, Brigitte & Pahle, Michael, 2019. "Optionen für eine CO2-Preisreform," Working Papers 04/2019, German Council of Economic Experts / Sachverständigenrat zur Begutachtung der gesamtwirtschaftlichen Entwicklung.
    8. Casey Helgeson & Robert E. Nicholas & Klaus Keller & Chris E. Forest & Nancy Tuana, 2022. "Attention to values helps shape convergence research," Climatic Change, Springer, vol. 170(1), pages 1-19, January.
    9. Moritz A. Drupp & Ulrike Kornek & Jasper N. Meya & Lutz Sager, 2021. "Inequality and the Environment: The Economics of a Two-Headed Hydra," CESifo Working Paper Series 9447, CESifo.
    10. Stéphane Zuber & Marc Fleurbaey, 2019. "Discounting and Intergenerational Ethics," Université Paris1 Panthéon-Sorbonne (Post-Print and Working Papers) hal-04467244, HAL.
    11. Jafino, Bramka Arga, 2021. "An equity-based transport network criticality analysis," Transportation Research Part A: Policy and Practice, Elsevier, vol. 144(C), pages 204-221.
    12. Christian P. Fries & Lennart Quante, 2023. "Intergenerational Equitable Climate Change Mitigation: Negative Effects of Stochastic Interest Rates; Positive Effects of Financing," Papers 2312.07614, arXiv.org, revised May 2024.
    13. Malerba, Daniele & Gaentzsch, Anja & Ward, Hauke, 2021. "Mitigating poverty: The patterns of multiple carbon tax and recycling regimes for Peru," Energy Policy, Elsevier, vol. 149(C).
    14. Bramka Arga Jafino & Jan H. Kwakkel & Frans Klijn, 2022. "Evaluating the distributional fairness of alternative adaptation policies: a case study in Vietnam’s upper Mekong Delta," Climatic Change, Springer, vol. 173(3), pages 1-20, August.
    15. Jinchi Dong & Jinnan Wang & Bi Jun & Richard S.J. Tol, 2023. "The effects of weather conditions on economic growth: Evidence from global subnational economic output and income," Working Paper Series 0423, Department of Economics, University of Sussex Business School.
    16. Jacobs, Bas & van der Ploeg, Frederick, 2019. "Redistribution and pollution taxes with non-linear Engel curves," Journal of Environmental Economics and Management, Elsevier, vol. 95(C), pages 198-226.
    17. Rising, James A. & Taylor, Charlotte & Ives, Matthew C. & Ward, Robert E.t., 2022. "Challenges and innovations in the economic evaluation of the risks of climate change," LSE Research Online Documents on Economics 114941, London School of Economics and Political Science, LSE Library.
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    19. Rising, James A. & Taylor, Charlotte & Ives, Matthew C. & Ward, Robert E.T., 2022. "Challenges and innovations in the economic evaluation of the risks of climate change," Ecological Economics, Elsevier, vol. 197(C).

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    More about this item

    Keywords

    Prioritarianism; Social Welfare Function; Social Cost of Carbon;
    All these keywords.

    JEL classification:

    • Q54 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Climate; Natural Disasters and their Management; Global Warming
    • I30 - Health, Education, and Welfare - - Welfare, Well-Being, and Poverty - - - General

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