Climate Change 2001:
Synthesis Report
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Figure 7-2: Projections of GDP losses and marginal costs in Annex II countries in the year 2010 from global models: (a) GDP losses and (b) marginal costs. The reductions in projected GDP are for the year 2010 relative to the model reference case GDP. These estimates are based on results of an Energy Modeling Forum study. The projections reported in the figures are for four regions, which constitute Annex II. The models examined two scenarios. In the first, each region makes the prescribed reduction with only domestic trading in carbon emissions. In the second, Annex B trading is permitted and thereby marginal costs are equal across regions. For the key factors, assumptions, and uncertainties underlying the studies, see Box 7-1.

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