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. 2017 Oct;23(5):1333-1349.
doi: 10.1007/s11948-017-9950-y. Epub 2017 Aug 15.

Values in Time Discounting

Conrad Heilmann  1
Affiliations

Values in Time Discounting

Conrad Heilmann. Sci Eng Ethics. 2017 Oct.

Abstract

Controversies about time discounting loom large in decisions about climate change. Prominently, a particularly controversial debate about time discounting in climate change decision-making has been conducted within climate economics, between the authors of Stern et al. (Stern review on the economics of climate change, 2006) and their critics (most prominently Dasgupta in Comments on the Stern review's economics of climate change, 2006; Tol in Energy Environ 17(6):977-981, 2006; Weitzman in J Econ Lit XLV:703-724, 2007; Nordhaus in J Econ Lit XLV:686-702, 2007). The article examines the role of values in this debate. Firstly, it is shown that time discounting is a case in which values are key because it is at heart an ethical problem. Secondly, it is argued that time discounting in climate economics is a case of economists making frequent and routine references to ethical values and indeed conduct ethical debates with each other. Thirdly, it is argued that there is evidence for deep and pervasive entanglement between facts and values in the prevalent methodologies for time discounting. Finally, it is argued that this means that economists have given up the 'value-free ideal' concerning time discounting, and discussed how the current methodology of time discounting in economics can be improved.

Keywords: Discount rate; Philosophy of economics; Stern review, climate economics; Time discounting; Value-free ideal.

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References

    1. Aalbers, R. (2013). Optimal discount rates for investments in mitigation and adaptation CPB discussion paper 257, CPB Netherlands Bureau for Economic Policy Analysis.
    1. Asheim GB. Intergenerational equity. Annual Review of Economics. 2010;2(1):197–222. doi: 10.1146/annurev.economics.102308.124440. - DOI
    1. Atkinson GD, Dietz S, Helgeson J, Hepburn CJ, Saelen H. Siblings, not triplets: Social preferences for risk, inequality and time in discounting climate change, Economics Discussion Papers 2009–14. Kiel: Kiel Institute of the World Economy; 2009.
    1. Baum SD. Description, prescription and the choice of discount rates. Ecological Economics. 2009;69(1):197–205. doi: 10.1016/j.ecolecon.2009.08.024. - DOI
    1. Betz G. In defence of the value free ideal. European Journal for Philosophy of Science. 2013;3:207–220. doi: 10.1007/s13194-012-0062-x. - DOI

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