Ramsey Discounting of Ecosystem Services

被引:40
作者
Baumgaertner, Stefan [1 ]
Klein, Alexandra M. [2 ,3 ]
Thiel, Denise [1 ,4 ]
Winkler, Klara [1 ,5 ]
机构
[1] Univ Luneburg, Sustainabil Econ Grp, D-21314 Luneburg, Germany
[2] Univ Luneburg, Inst Ecol, D-21314 Luneburg, Germany
[3] Univ Freiburg, D-79106 Freiburg, Germany
[4] Univ Life Sci, Vienna, Austria
[5] Lund Univ, Lund, Sweden
关键词
Discounting; Ecosystem services; (De)growth; Heterogeneous consumption; Relative scarcities; Ramsey model; Substitution; WILLINGNESS-TO-PAY; CONTINGENT VALUATION; WATER-QUALITY; INCOME; SUBSTITUTABILITY; ELASTICITIES; DEMAND; GOODS;
D O I
10.1007/s10640-014-9792-x
中图分类号
F [经济];
学科分类号
020101 [政治经济学];
摘要
Most ecosystem services, which are essential for human well-being, are globally declining, while the production of consumption goods, measured by GDP, is still growing. To adequately account for this opposite development in public cost-benefit analyses, it has been proposed-based on a two-goods extension of the Ramsey growth model-to apply good-specific discount rates for manufactured consumption goods and for ecosystem services. Using empirical data for ten ecosystem services across five countries and the world at large, we estimated the difference between the discount rates for ecosystem services and for manufactured consumption goods. In a conservative estimate, we found that ecosystem services in all countries should be discounted at rates that are significantly lower than the ones for manufactured consumption goods. On global average, ecosystem services should be discounted at a rate that is 0.9 0.3 %-points lower than the one for manufactured consumption goods. The difference is larger in less developed countries and smaller in more developed countries. This result supports and substantiates the suggestion that public cost-benefit-analyses should use country-specific dual discount rates-one for manufactured consumption goods and one for ecosystem services.
引用
收藏
页码:273 / 296
页数:24
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