Estimates of the damage costs of climate change: Part 1: Benchmark estimates

Tol, Richard S J (2002) Estimates of the damage costs of climate change: Part 1: Benchmark estimates. Environmental and Resource Economics, 21 (1). pp. 47-73. ISSN 0924-6460

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Abstract

A selection of the potential impacts of climate change - on agriculture, forestry, unmanaged ecosystems, sea level rise, human mortality, energy consumption, and water resources - are estimated and valued in monetary terms. Estimates are derived from globally comprehensive, internally consistent studies using GCM based scenarios. An underestimate of the uncertainty is given. New impact studies can be included following the meta-analytical methods described here. A 1°C increase in the global mean surface air temperature would have, on balance, a positive effect on the OECD, China, and the Middle East, and a negative effect on other countries. Confidence intervals of regionally aggregated impacts, however, include both positive and negative impacts for all regions. Global estimates depend on the aggregation rule. Using a simple sum, world impact of a 1°C warming would be a positive 2% of GDP, with a standard deviation of 1%. Using globally averaged values, world impact would be a negative 3% (standard deviation: 1%). Using equity weighting, world impact would amount to 0% (standard deviation: 1%).

Item Type: Article
Schools and Departments: School of Business, Management and Economics > Economics
Subjects: H Social Sciences > HB Economic theory. Demography
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Depositing User: Richard Tol
Date Deposited: 19 Apr 2012 11:48
Last Modified: 19 Apr 2012 11:48
URI: http://sro.sussex.ac.uk/id/eprint/38370
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