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Consequences of Climate Change Damages for Economic Growth: A Dynamic Quantitative Assessment

Author

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  • Rob Dellink

    (OECD)

  • Elisa Lanzi

    (OECD)

  • Jean Château

    (OECD)

  • Francesco Bosello

    (Euro-Mediterranean Centre for Climate Change (CMCC))

  • Ramiro Parrado

    (Euro-Mediterranean Centre for Climate Change (CMCC))

  • Kelly de Bruin

    (Centre for Environmental and Resource Economics (CERE))

Abstract

This report focuses on the effects of climate change impacts on economic growth. Simulations with the OECD’s dynamic global general equilibrium model ENV-Linkages assess the consequences of a selected number of climate change impacts in the various world regions at the macroeconomic and sectoral level. This is complemented with an assessment of very long-run implications, using the AD-RICE model. The analysis finds that the effect of climate change impacts on annual global GDP is projected to increase over time, leading to a global GDP loss of 0.7% to 2.5% by 2060 for the most likely equilibrium climate sensitivity range. Underlying these annual global GDP losses are much larger sectoral and regional variations. Agricultural impacts dominate in most regions, while damages from sea level rise gradually become more important. Negative economic consequences are especially large in South and South-East Asia whereas other regions will be less affected and, in some cases, benefit thanks to adjustments from international trade. Emissions to 2060 will have important consequences in later decades and centuries. Simulations with the AD-RICE model suggest that if emissions continue to grow after 2060, annual damages of climate change could reach 1.5%-4.8% of GDP by the end of the century. Some impacts and risks from climate change have not been quantified in this study, including extreme weather events, water stress and large-scale disruptions. These will potentially have large economic consequences, and on balance the costs of inaction presented here likely underestimate the full costs of climate change impacts. More research is needed to assess them as well as the various uncertainties and risks involved. However, this should not delay policy action, but rather induce policy frameworks that are able to deal with new information and with the fact that by their nature some uncertainties and risks will never be resolved. Conséquences des impacts du changement climatique sur la croissance économique : Une évaluation quantitative en dynamique Ce rapport approfondit les impacts du changement climatique sur la croissance économique. Sur la base de simulations dynamiques, effectuées avec le modèle d'équilibre général de l'OCDE ENV-Linkages, les conséquences sur la croissance de long terme d'un certain nombre d'impacts du changement climatique sont évaluées. Une appréciation des conséquences à très long terme avec le modèle AD-RICE complète cette analyse. L'analyse révèle que les effets des impacts du changement climatique sur le PIB annuel mondial devraient s’accroître à l’avenir, conduisant à une perte de PIB mondial de 0,7% à 2,5% en 2060, selon un éventail raisonnable de sensibilités climatiques. L’analyse souligne en outre de fortes disparités dans les impacts selon les secteurs et les régions concernées. Dans la plupart des régions, les impacts sur les rendements agricoles dominent, cependant la raréfaction des surfaces cultivables due à la montée des océans prend de plus en plus d’importance. Les conséquences économiques négatives devraient être particulièrement élevées dans le Sud et Sud-Est de l'Asie, tandis que les autres régions seraient moins affectées et, pourraient même, dans certains cas, bénéficier du changement climatique, grâce notamment aux ajustements du commerce international. Les émissions de gaz à effets de serre dégagées jusqu’en 2060 auront d'importantes conséquences dans les décennies et des siècles qui suivront. Des simulations effectuées avec le modèle AD-RICE suggèrent que si les émissions continuent à augmenter après 2060, les dommages annuels du changement climatique pourraient atteindre 1,5% -4,8% du PIB d'ici la fin du siècle. Certains impacts et risques du changement climatique ne sont pas quantifiés dans ce rapport, y compris des événements météorologiques extrêmes, le stress hydrique et des perturbations à grande échelle. Ceux-ci pourraient avoir de grandes conséquences économiques et, finalement, les coûts de l'inaction présentés dans ce rapport sous-estiment probablement les coûts totaux des impacts du changement climatique. Un progrès de la science dans ces domaines seraient nécessaire afin de mieux comprendre ces sujets ainsi que les divers incertitudes et risques associés. Toutefois, cela ne devrait pas retarder l'action politique, mais plutôt inciter à circonscrire des cadres politiques capables de faire face à de tenir compte de ces nouvelles informations.

Suggested Citation

  • Rob Dellink & Elisa Lanzi & Jean Château & Francesco Bosello & Ramiro Parrado & Kelly de Bruin, 2014. "Consequences of Climate Change Damages for Economic Growth: A Dynamic Quantitative Assessment," OECD Economics Department Working Papers 1135, OECD Publishing.
  • Handle: RePEc:oec:ecoaaa:1135-en
    DOI: 10.1787/5jz2bxb8kmf3-en
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    Citations

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    Cited by:

    1. Howard, Peter H. & Sterner, Thomas, 2022. "Between Two Worlds: Methodological and Subjective Differences in Climate Impact Meta-Analyses," RFF Working Paper Series 22-10, Resources for the Future.
    2. Lorenza Campagnolo & Carlo Carraro & Marinella Davide & Fabio Eboli & Elisa Lanzi & Ramiro Parrado, 2016. "Can climate policy enhance sustainability?," Climatic Change, Springer, vol. 137(3), pages 639-653, August.
    3. Franziska Piontek & Matthias Kalkuhl & Elmar Kriegler & Anselm Schultes & Marian Leimbach & Ottmar Edenhofer & Nico Bauer, 2019. "Economic Growth Effects of Alternative Climate Change Impact Channels in Economic Modeling," Environmental & Resource Economics, Springer;European Association of Environmental and Resource Economists, vol. 73(4), pages 1357-1385, August.
    4. Valeria Costantini & Anil Markandya & Elena Paglialunga & Giorgia Sforna, 2018. "Impact and distribution of climatic damages: a methodological proposal with a dynamic CGE model applied to global climate negotiations," Economia Politica: Journal of Analytical and Institutional Economics, Springer;Fondazione Edison, vol. 35(3), pages 809-843, December.
    5. Brian J. Revell, 2015. "One Man's Meat … 2050? Ruminations on Future Meat Demand in the Context of Global Warming," Journal of Agricultural Economics, Wiley Blackwell, vol. 66(3), pages 573-614, September.
    6. Ramiro Parrado & Francesco Bosello & Elisa Delpiazzo & Jochen Hinkel & Daniel Lincke & Sally Brown, 2020. "Fiscal effects and the potential implications on economic growth of sea-level rise impacts and coastal zone protection," Climatic Change, Springer, vol. 160(2), pages 283-302, May.
    7. Mariano Gallo & Mario Marinelli, 2020. "Sustainable Mobility: A Review of Possible Actions and Policies," Sustainability, MDPI, vol. 12(18), pages 1-39, September.
    8. Anjara Lalaina Jocelyn Rakotoarisoa, 2023. "Un Essai Pour Une Economie De La Pollution," Post-Print hal-04093938, HAL.

    More about this item

    Keywords

    changement climatique; climate change; computable general equilibrium model; croissance économique; economic growth; modèle d’équilibre général calculable;
    All these keywords.

    JEL classification:

    • D58 - Microeconomics - - General Equilibrium and Disequilibrium - - - Computable and Other Applied General Equilibrium Models
    • O44 - Economic Development, Innovation, Technological Change, and Growth - - Economic Growth and Aggregate Productivity - - - Environment and Growth
    • Q54 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Climate; Natural Disasters and their Management; Global Warming

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