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Climate Policy and the Optimal Balance between Mitigation, Adaptation and Unavoided Damage

  • Francesco Bosello

    (Unversity of Milan and Fondazione Eni Enrico Mattei)

  • Carlo Carraro

    (University of Venice, CEPR, CESifo and Fondazione Eni Enrico Mattei)

  • Enrica De Cian

    (University of Venice and Fondazione Eni Enrico Mattei)

It has become commonly accepted that a successful climate strategy should compound mitigation and adaptation. The accurate combination between adaptation and mitigation that can best address climate change is still an open question. This paper proposes a framework that integrates mitigation, adaptation, and climate change residual damages into an optimisation model. This set-up is used to provide some insights on the welfare maximising resource allocation between mitigation and adaptation, on their optimal timing, and on their marginal contribution to reducing vulnerability to climate change. The optimal mix between three different adaptation modes (reactive adaptation, anticipatory adaptation, and investment in innovation for adaptation purposes) within the adaptation bundle is also identified. Results suggest that the joint implementation of mitigation and adaptation is welfare improving. Mitigation should start immediately, whereas adaptation somehow later. It is also shown that in a world where the probability of climate-related catastrophic events is small and where decision makers have a high discount rate, adaptation is unambiguously the preferred option. Adaptation needs, both in developed and developing countries, will be massive, especially during the second half of the century. Most of the adaptation burden will be on developing countries. International cooperation is thus required to equally distribute the cost of adaptation.

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Paper provided by Fondazione Eni Enrico Mattei in its series Working Papers with number 2010.32.

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Date of creation: Mar 2010
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Handle: RePEc:fem:femwpa:2010.32
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  1. Valentina Bosetti, Carlo Carraro, Marzio Galeotti, Emanuele Massetti, Massimo Tavoni, 2006. "A World induced Technical Change Hybrid Model," The Energy Journal, International Association for Energy Economics, vol. 0(Special I), pages 13-38.
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