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Discounting, Risk and Inequality: A General Approach

Author

Listed:
  • Marc Fleurbaey

    (Woodrow Wilson School and Center for Human Values - Princeton University)

  • Stéphane Zuber

    (CES - Centre d'économie de la Sorbonne - UP1 - Université Paris 1 Panthéon-Sorbonne - CNRS - Centre National de la Recherche Scientifique, PSE - Paris School of Economics - UP1 - Université Paris 1 Panthéon-Sorbonne - ENS-PSL - École normale supérieure - Paris - PSL - Université Paris Sciences et Lettres - EHESS - École des hautes études en sciences sociales - ENPC - École des Ponts ParisTech - CNRS - Centre National de la Recherche Scientifique - INRAE - Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement)

Abstract

The common practice consists in using a unique value of the discount rate for all public investments. Endorsing a social welfare approach to discounting, we show how different public investments should be discounted depending on: the risk on the return of the investment, the systematic risk on aggregate consumption, the distribution of gains and losses, and inequality. We also study the limit value of the discount rate for very long term investments, and the type of information that is needed about long-term scenarios in order to evaluate investments.

Suggested Citation

  • Marc Fleurbaey & Stéphane Zuber, 2014. "Discounting, Risk and Inequality: A General Approach," Post-Print halshs-00973471, HAL.
    • Handle: RePEc:hal:journl:halshs-00973471
    Note: View the original document on HAL open archive server: https://shs.hal.science/halshs-00973471
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    References listed on IDEAS

    as
    1. David Pearce, 2003. "The Social Cost of Carbon and its Policy Implications," Oxford Review of Economic Policy, Oxford University Press and Oxford Review of Economic Policy Limited, vol. 19(3), pages 362-384.
    2. Gierlinger, Johannes & Gollier, Christian, 2008. "Socially Efficient Discounting under Ambiguity Aversion," IDEI Working Papers 561, Institut d'Économie Industrielle (IDEI), Toulouse.
    3. Blackorby,Charles & Bossert,Walter & Donaldson,David J., 2005. "Population Issues in Social Choice Theory, Welfare Economics, and Ethics," Cambridge Books, Cambridge University Press, number 9780521532587, October.
    4. Marc Fleurbaey, 2010. "Assessing Risky Social Situations," Journal of Political Economy, University of Chicago Press, vol. 118(4), pages 649-680, August.
    5. Fleurbaey, Marc & Zuber, Stéphane, 2015. "Discounting, beyond utilitarianism," Economics - The Open-Access, Open-Assessment E-Journal (2007-2020), Kiel Institute for the World Economy (IfW Kiel), vol. 9, pages 1-52.
    6. Stern,Nicholas, 2007. "The Economics of Climate Change," Cambridge Books, Cambridge University Press, number 9780521700801, October.
    7. Gramlich, Edward M, 1994. "Infrastructure Investment: A Review Essay," Journal of Economic Literature, American Economic Association, vol. 32(3), pages 1176-1196, September.
    8. Azar, Christian & Sterner, Thomas, 1996. "Discounting and distributional considerations in the context of global warming," Ecological Economics, Elsevier, vol. 19(2), pages 169-184, November.
    9. Hall, Bronwyn H. & Mairesse, Jacques & Mohnen, Pierre, 2010. "Measuring the Returns to R&D," Handbook of the Economics of Innovation, in: Bronwyn H. Hall & Nathan Rosenberg (ed.), Handbook of the Economics of Innovation, edition 1, volume 2, chapter 0, pages 1033-1082, Elsevier.
    10. Antony Millner, 2013. "On Welfare Frameworks and Catastrophic Climate Risks," CESifo Working Paper Series 4442, CESifo.
    11. Antoine Bommier & Stéphane Zuber, 2008. "Can preferences for catastrophe avoidance reconcile social discounting with intergenerational equity?," Social Choice and Welfare, Springer;The Society for Social Choice and Welfare, vol. 31(3), pages 415-434, October.
    12. Gollier, Christian, 2002. "Discounting an uncertain future," Journal of Public Economics, Elsevier, vol. 85(2), pages 149-166, August.
    13. Millner, Antony, 2013. "On welfare frameworks and catastrophic climate risks," Journal of Environmental Economics and Management, Elsevier, vol. 65(2), pages 310-325.
    14. Bronwyn H. Hall, 2010. "Measuring the Returns to R&D: The Depreciation Problem," NBER Chapters, in: Contributions in Memory of Zvi Griliches, pages 341-381, National Bureau of Economic Research, Inc.
    15. Christian Gollier, 2012. "Pricing the Planet's Future: The Economics of Discounting in an Uncertain World," Economics Books, Princeton University Press, edition 1, volume 1, number 9894.
    16. Zuber, Stéphane & Asheim, Geir B., 2012. "Justifying social discounting: The rank-discounted utilitarian approach," Journal of Economic Theory, Elsevier, vol. 147(4), pages 1572-1601.
    17. Samuel Fankhauser & Richard Tol & DAVID Pearce, 1997. "The Aggregation of Climate Change Damages: a Welfare Theoretic Approach," Environmental & Resource Economics, Springer;European Association of Environmental and Resource Economists, vol. 10(3), pages 249-266, October.
    18. Gollier, Christian, 2004. "Maximizing the expected net future value as an alternative strategy to gamma discounting," Finance Research Letters, Elsevier, vol. 1(2), pages 85-89, June.
    19. Gollier, Christian & Weitzman, Martin L., 2010. "How should the distant future be discounted when discount rates are uncertain?," Economics Letters, Elsevier, vol. 107(3), pages 350-353, June.
    20. Marc Fleurbaey & Stéphane Zuber, 2012. "Climate policies deserve a negative discount rate," Working Papers halshs-00728193, HAL.
    21. Partha Dasgupta, 2008. "Discounting climate change," Journal of Risk and Uncertainty, Springer, vol. 37(2), pages 141-169, December.
    22. Broome, John, 2006. "Weighing Lives," OUP Catalogue, Oxford University Press, number 9780199297702.
    23. Martin L. Weitzman, 2009. "On Modeling and Interpreting the Economics of Catastrophic Climate Change," The Review of Economics and Statistics, MIT Press, vol. 91(1), pages 1-19, February.
    24. Ng, Yew-Kwang, 1989. "What Should We Do About Future Generations?," Economics and Philosophy, Cambridge University Press, vol. 5(2), pages 235-253, October.
    25. Anthoff, David & Hepburn, Cameron & Tol, Richard S.J., 2009. "Equity weighting and the marginal damage costs of climate change," Ecological Economics, Elsevier, vol. 68(3), pages 836-849, January.
    26. Gollier, Christian, 2015. "Discounting, inequality and economic convergence," Journal of Environmental Economics and Management, Elsevier, vol. 69(C), pages 53-61.
    27. Weitzman, Martin L., 1998. "Why the Far-Distant Future Should Be Discounted at Its Lowest Possible Rate," Journal of Environmental Economics and Management, Elsevier, vol. 36(3), pages 201-208, November.
    28. repec:hal:pseose:hal-01300618 is not listed on IDEAS
    29. Geir B. Asheim & Stéphane Zuber, 2014. "Probability Adjusted Rank-Discounted Utilitarianism," CESifo Working Paper Series 4728, CESifo.
    30. Christian Gollier, 2010. "Discounting, Inequalities and Economic Convergence," CESifo Working Paper Series 3262, CESifo.
    31. William D. Nordhaus, 2007. "A Review of the Stern Review on the Economics of Climate Change," Journal of Economic Literature, American Economic Association, vol. 45(3), pages 686-702, September.
    32. Christian P. Traeger, 2009. "Recent Developments in the Intertemporal Modeling of Uncertainty," Annual Review of Resource Economics, Annual Reviews, vol. 1(1), pages 261-285, September.
    33. Martin L. Weitzman, 2007. "A Review of the Stern Review on the Economics of Climate Change," Journal of Economic Literature, American Economic Association, vol. 45(3), pages 703-724, September.
    34. -, 2009. "The economics of climate change," Sede Subregional de la CEPAL para el Caribe (Estudios e Investigaciones) 38679, Naciones Unidas Comisión Económica para América Latina y el Caribe (CEPAL).
    35. Blackorby, Charles & Donaldson, David, 1984. "Social criteria for evaluating population change," Journal of Public Economics, Elsevier, vol. 25(1-2), pages 13-33, November.
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    Cited by:

    1. Loïc Berger & Johannes Emmerling, 2020. "Welfare As Equity Equivalents," Journal of Economic Surveys, Wiley Blackwell, vol. 34(4), pages 727-752, September.
    2. Jean-Marc Bonnisseau & Alain Chateauneuf & Jean-Pierre Drugeon, 2023. "On Future Allocations of Scarce Resources without Explicit Discounting Factors," Documents de travail du Centre d'Economie de la Sorbonne 23004, Université Panthéon-Sorbonne (Paris 1), Centre d'Economie de la Sorbonne.
    3. Louis Eeckhoudt & Elisa Pagani & Eugenio Peluso, 2023. "Multidimensional risk aversion: the cardinal sin," Annals of Operations Research, Springer, vol. 320(1), pages 15-31, January.
    4. Tangren Feng & Shaowei Ke, 2018. "Social Discounting and Intergenerational Pareto," Econometrica, Econometric Society, vol. 86(5), pages 1537-1567, September.
    5. Berger, Loïc & Emmerling, Johannes, 2017. "Welfare as Simple(x) Equity Equivalents," MITP: Mitigation, Innovation and Transformation Pathways 254044, Fondazione Eni Enrico Mattei (FEEM).
    6. Adler, Matthew D. & Treich, Nicolas, 2017. "Utilitarianism, prioritarianism, and intergenerational equity: A cake eating model," Mathematical Social Sciences, Elsevier, vol. 87(C), pages 94-102.
    7. Fleurbaey, Marc & Zuber, Stéphane, 2015. "Discounting, beyond utilitarianism," Economics - The Open-Access, Open-Assessment E-Journal (2007-2020), Kiel Institute for the World Economy (IfW Kiel), vol. 9, pages 1-52.
    8. 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.
    9. Asplund, Disa, 2022. "The welfare-maximizing discount rate in a small open economy," Working Papers 2022:2, Swedish National Road & Transport Research Institute (VTI).
    10. Maya Eden, 2023. "The Cross‐Sectional Implications of the Social Discount Rate," Econometrica, Econometric Society, vol. 91(6), pages 2065-2088, November.
    11. Tamai, Toshiki, 2023. "The rate of discount on public investments with future bias in an altruistic overlapping generations model," European Journal of Political Economy, Elsevier, vol. 79(C).
    12. Frikk Nesje & Moritz A. Drupp & Mark C. Freeman & Ben Groom, 2022. "Philosophers and Economists Can Agree on the Intergenerational Discount Rate and Climate Policy Paths," CESifo Working Paper Series 9930, CESifo.
    13. Jasper N. Meya & Stefan Baumgärtner & Moritz A. Drupp & Martin F. Quaas, 2020. "Inequality and the Value of Public Natural Capital," CESifo Working Paper Series 8752, CESifo.

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    More about this item

    Keywords

    Social discounting; risk; inequality; Escompte social; risque; inégalité;
    All these keywords.

    JEL classification:

    • D63 - Microeconomics - - Welfare Economics - - - Equity, Justice, Inequality, and Other Normative Criteria and Measurement
    • H43 - Public Economics - - Publicly Provided Goods - - - Project Evaluation; Social Discount Rate

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