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Methodologies and Tools to Evaluate Climate Change Impacts and Adaptation

Compendium on methods and tools to evaluate impacts of, vulnerability and adaptation to climate change. Final draft
3 Cross-cuttting issues and multisector approaches
3.2 Decision tools

The tools described in this section assist analysts in making choices between adaptation options (Table 3.2). Some of these tools rely on a single monetary metric and focus on a single decision criterion (e.g., benefit-cost analysis, cost-effectiveness). Others enable the user to define and incorporate more than one such decision criterion (e.g., MCA and the three examples of which, TEAM, Adaptation Decision Matrix, and screening of adaptation options, are included in this section). Other tools, of which policy exercise is an example here, seek to inform the larger policy decision questions, taking into account the institutions involved and affected when pursuing given adaptation options.