The Social Costs of Greenhouse Gas Emissions: An Expected Value Approach*

Sam Fankhauser ()

The Energy Journal, 1994, vol. 15, issue 2, 157-184

Abstract: This paper provides an order-of-magnitude assessment of the marginal social costs of greenhouse gas emissions. The calculations are based on a stochastic greenhouse damage model in which key parameters are random. This allows a closer representation of current scientific understanding and also enables calculation of a damage probability distribution. Thus, we account explicitly for the uncertain nature of the global warming phenomenon. We estimate social costs of C02 emissions in the order of 20 $/tC for emissions between 1991 and 2000, a value which rises over time to about 28 $/tC in 20212030. Similar figures for CH4 and N20 are also provided. As a consequence of the prevailing uncertainty, the standard deviation of the estimates is rather high. The distribution is positively skewed, which implies that the currently predominant method of using best guess values will lead to an underestimation of the expected costs of emissions.

Keywords: Greenhouse gas emissions; Social costs; Expected value approach; CETA; DICE (search for similar items in EconPapers)
Date: 1994
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Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:sae:enejou:v:15:y:1994:i:2:p:157-184

DOI: 10.5547/ISSN0195-6574-EJ-Vol15-No2-9

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