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Comptabilité économique de la soutenabilité climatique

Author

Listed:
  • J.-M. GERMAIN

    (Insee)

  • T. LELLOUCH

    (Insee)

Abstract

Respecter les engagements climatiques qui découlent des accords de Paris sur le climat nécessite des moyens financiers importants que l’on évalue ici à l’aide d’un modèle macroéconomique combinant un critère de répartition intergénérationnelle de l’effort climatique et des hypothèses sur l’efficacité des technologies de décarbonation. Les résultats montrent que pour la France, la trajectoire actuelle d’émissions de gaz à effet de serre n’est pas soutenable, au sens où pour atteindre l’engagement de neutralité carbone en 2050, le niveau annuel de dépenses pour le climat devrait augmenter de manière très substantielle, à 4.5 % du PIB contre 1.9 % actuellement. Ces évaluations permettent d’en déduire un prix social du carbone ou valeur de l’action climat,significativement réévaluée à la hausse par rapport aux évaluations précédentes, dans le sillage des résultats de la commission Quinet en 2019. De telles évaluations de trajectoire d’émissions et de prix social du carbone pourraient constituer le point d’entrée d’une comptabilité économique environnementale qui intègre la dégradation du patrimoine naturel induite par les activités économiques.

Suggested Citation

  • J.-M. Germain & T. Lellouch, 2020. "Comptabilité économique de la soutenabilité climatique," Documents de Travail de l'Insee - INSEE Working Papers g2020-09, Institut National de la Statistique et des Etudes Economiques.
  • Handle: RePEc:nse:doctra:g2020-09
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    File URL: https://www.bnsp.insee.fr/ark:/12148/bc6p06zrk2h/f1.pdf
    File Function: Document de travail de la DESE numéro G2020/09
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    More about this item

    Keywords

    Soutenabilité; changement climatique; prix du carbone; épargne nette ajustée;
    All these keywords.

    JEL classification:

    • Q01 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - General - - - Sustainable Development
    • Q54 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Climate; Natural Disasters and their Management; Global Warming
    • 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
    • E01 - Macroeconomics and Monetary Economics - - General - - - Measurement and Data on National Income and Product Accounts and Wealth; Environmental Accounts
    • E21 - Macroeconomics and Monetary Economics - - Consumption, Saving, Production, Employment, and Investment - - - Consumption; Saving; Wealth
    • O13 - Economic Development, Innovation, Technological Change, and Growth - - Economic Development - - - Agriculture; Natural Resources; Environment; Other Primary Products

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