Environmental and economic effects of the Copenhagen pledges and more ambitious emission reduction targets |
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Authors: | Everett B. Peterson Joachim Schleich Vicki Duscha |
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Affiliation: | 1. Department of Agricultural and Applied Economics, Virginia Polytechnic Institute & State University, 202A Hutcheson Hall, Blacksburg, VA 24061, USA;2. Fraunhofer Institute for Systems and Innovation Research Breslauer Strasse 48, 76139 Karlsruhe, Germany;3. Grenoble Ecole de Management, 12, rue Pierre Sémard, BP 127, 38003 Grenoble Cedex 01, France |
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Abstract: | A multi-region, multi-sector dynamic computable general equilibrium model is applied to explore the economic and welfare effects of the pledges submitted by developed countries (Annex I countries) and major developing (non-Annex I) countries for 2020 under the Copenhagen Accord. In addition to analyzing scenarios reflecting the upper and lower bounds of the Copenhagen Pledges, one additional policy scenario where Annex I countries as a group reduce CO2-emissions by 30% in 2020 compared to 1990 levels, and where major non-Annex I countries reduce CO2 emissions 15% below baseline, is also analyzed. Economic effects are measured as changes in GDP compared to baseline and welfare effects are measured via the equivalent variation. Assuming that countries with emission targets may trade certificates, average reductions in GDP for countries with targets range between 0.1% and 0.7% in 2020 for the policy scenarios. While the GDP losses are larger for major non-Annex I countries with emission targets compared to Annex I countries, this is not the case for the changes in welfare. With the exception of Mexico, the welfare losses for the major non-Annex I regions, as a percentage of projected GDP in 2020, are lower than for the large Annex I countries. |
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Keywords: | Copenhagen Accord Post-Kyoto climate policy |
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