Adaptation Can Help Mitigation: An Integrated Approach to Post-2012 Climate Policy
AbstractThe latest round of international negotiations in Copenhagen led to a set of commitments on emission reductions which are unlikely to stabilise global warming below or around 2°C. As a consequence, in the absence of additional ambitious policy measures, adaptation will be needed to address climate-related damages. What is the role of adaptation in this setting? How is it optimally allocated across regions and time? To address these questions, this paper analyses the optimal mix of adaptation and mitigation expenditures in a cost-effective setting in which countries cooperate to achieve a long-term stabilisation target (550 CO2-eq). It uses an Integrated Assessment Model (AD-WITCH) that describes the relationships between different adaptation modes (reactive and anticipatory), mitigation, and capacity-building to analyse the optimal portfolio of adaptation measures. Results show the optimal intertemporal distribution of climate policy measures is characterised by early investments in mitigation followed by large adaptation expenditures a few decades later. Hence, the possibility to adapt does not justify postponing mitigation, although it reduces its costs. Mitigation and adaptation are thus shown to be complements rather than substitutes.
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Bibliographic InfoPaper provided by Fondazione Eni Enrico Mattei in its series Working Papers with number 2011.69.
Date of creation: Sep 2011
Date of revision:
Climate Change Impacts; Mitigation; Adaptation; Integrated Assessment Model;
Other versions of this item:
- Bosello, Francesco & Carraro, Carlo & De Cian, Enrica, 2013. "Adaptation can help mitigation: an integrated approach to post-2012 climate policy," Environment and Development Economics, Cambridge University Press, vol. 18(03), pages 270-290, June.
- Bosello, Francesco & Carraro, Carlo & De Cian, Enrica, 2012. "Adaptation Can Help Mitigation: An Integrated Approach to Post-2012 Climate Policy," CEPR Discussion Papers 8909, C.E.P.R. Discussion Papers.
- Q54 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Climate; Natural Disasters
- Q56 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Environment and Development; Environment and Trade; Sustainability; Environmental Accounts and Accounting; Environmental Equity; Population Growth
- Q43 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Energy - - - Energy and the Macroeconomy
This paper has been announced in the following NEP Reports:
- NEP-ALL-2011-10-09 (All new papers)
- NEP-ENE-2011-10-09 (Energy Economics)
- NEP-ENV-2011-10-09 (Environmental Economics)
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- Benchekroun, H. & Marrouch, W. & Ray Chaudhuri, A., 2011. "Adaptation Effectiveness and Free-Riding Incentives in International Environmental Agreements," Discussion Paper 2011-120, Tilburg University, Center for Economic Research.
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