Time discounting and optimal emission reduction: An application of fund

Tol, Richard S J (1999) Time discounting and optimal emission reduction: An application of fund. Climatic Change, 41 (3-4). pp. 351-362. ISSN 0165-0009

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Abstract

Time preferences are a dominant influence in cost-benefit analyses of long-term issues such as climate change. FUND, a model for optimal emission control, is used to spell out this influence. Classic discounting at various rates is contrasted with Heal discounting where the discount factor depends logarithmically on the time distance (it does linearly in the classic case), and Rabl discounting where the discount rate is set to zero at a certain point in the future. The choice of the discount rate has a strong influence on total and short-term emission reduction. The effect of Rabl and Heal discounting is like lowering the classic discount rate. International cooperation has a larger effect on optimal emission reduction, however, than does the discount rate. Larger still is the influence of explicitly taking up long-term goals for atmospheric concentrations in the welfare function, using a modification of the Chichilnisky criterion.

Item Type: Article
Schools and Departments: School of Business, Management and Economics > Economics
Subjects: G Geography. Anthropology. Recreation > GE Environmental Sciences > GE170 Environmental policy
H Social Sciences > HB Economic theory. Demography
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Depositing User: Richard Tol
Date Deposited: 18 Apr 2012 09:40
Last Modified: 18 Apr 2012 09:40
URI: http://sro.sussex.ac.uk/id/eprint/38385
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