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http://ssrn.com/abstract=949714
 
 

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Intergenerational Equity and the Discount Rate for Cost-Benefit Analysis


Jean-Francois Mertens


Catholic University of Louvain (UCL) - Center for Operations Research and Econometrics (CORE)

Anna Rubinchik-Pessach


University of Colorado at Boulder - Department of Economics

October 2006

CORE Discussion Paper No. 2006/91

Abstract:     
Current Office of Management and Budget (OMB) guidelines use the interest rate as a basis for the discount rate, and have nothing to say about an intergenerationally fair discount rate. We derive this discount rate by differentiating a social welfare function with respect to perturbations in individual endowments (which induce perturbations of equilibria) in an overlapping generations model with exogenous growth. A traditional utilitarian approach leads to too high values, and in a wide range, while Relative Utilitarianism implies it equals the growth rate of real per-capita consumption, independent of the interest rate. The differentiation is based on a novel method, applicable to arbitrary policy-variations, and that reveals a deep and very general property of exogenous growth models.

Number of Pages in PDF File: 25

Keywords: Social Welfare Function, Social Welfare Functional, Overlapping Generations, Exogenous Growth, Intergenerational Fairness, Cost-Benefit Analysis, Social Discount Rate, Utilitarianism, Relative Utilitarianism

JEL Classification: D61, D63, H43

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Date posted: December 6, 2006  

Suggested Citation

Mertens, Jean-Francois and Rubinchik-Pessach, Anna, Intergenerational Equity and the Discount Rate for Cost-Benefit Analysis (October 2006). Available at SSRN: http://ssrn.com/abstract=949714 or http://dx.doi.org/10.2139/ssrn.949714

Contact Information

Jean-Francois Mertens (Contact Author)
Catholic University of Louvain (UCL) - Center for Operations Research and Econometrics (CORE) ( email )
34 Voie du Roman Pays
B-1348 Louvain-la-Neuve, b-1348
Belgium
32-10-474309 (Phone)
32-10-474301 (Fax)
Anna Rubinchik-Pessach
University of Colorado at Boulder - Department of Economics ( email )
Campus Box 256
Boulder, CO 80309
United States
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