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Au-delà de Kyoto : enjeux d'équité et d'efficacité dans la négociation sur le changement climatique

Listed author(s):
  • Odile Blanchard
  • Patrick Criqui
  • Michel Trommetter
  • Laurent Viguier

[eng] Beyond Kyoto: Issues of Equity and Efficiency in Climate Change Negotiations by Odile Blanchard, Patrick Criqui, Michel Trommetter and Laurent Viguier This paper develops some basic methodological principles which can be used to study two questions: firstly, equitable methods of integrating developing countries into a long-term global programme to limit growth in greenhouse gas emissions, and, secondly, the contribution, in terms of economic efficiency, of tradable emission-permit systems. With regard to the first question, it turns out that no operative rule of differentiation or single principle of equity seems able to obtain the approval of all countries in so far as their interests remain structurally different. We have therefore constructed a simple and pragmatic scenario of CO2 emission stabilisation by 2030 and then shown that it could lead to a relative convergence of laws and a greater regard for democratic equality. In terms of efficiency, the findings emphasise the benefit of introducing a market for tradable emission permits, since this would make it possible to restore ex post facto the efficiency which had not existed a priori in the initial distribution of rights. The utilitarian concept of equity would also be respected in this case. [fre] Ce papier développe des éléments méthodologiques pouvant contribuer à une double réflexion, sur les voies équitables d'une insertion des pays en développement dans un programme mondial à long terme de limitation de la croissance des émissions de gaz à effet de serre, et sur les apports, en termes d'efficacité économique, des systèmes de permis d'émission négociables. Sur le premier point, il s'avère qu'aucune règle opératoire de différenciation, ni aucun principe unique d'équité ne semblent pouvoir obtenir un consensus de tous les pays, dans la mesure où les intérêts demeurent structurellement divergents. De ce fait, nous avons construit un scénario simple et pragmatique de stabilisation des émissions de CO2 à l'horizon 2030 et montré ensuite qu'il pourrait conduire à une relative convergence des droits et à un meilleur respect de l'égalité démocratique. Sur le plan de l'efficacité, les résultats obtenus soulignent l'intérêt que revêt l'instauration d'un marché de permis d'émission négociables, puisqu'il permettrait de rétablir ex post l'efficacité qui n' existe pas a priori dans la répartition initiale des droits. La conception utilitariste de l' équité serait alors aussi respectée.

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Article provided by Programme National Persée in its journal Économie & prévision.

Volume (Year): 143 (2000)
Issue (Month): 2 ()
Pages: 15-35

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Handle: RePEc:prs:ecoprv:ecop_0249-4744_2000_num_143_2_6002
Note: DOI:10.3406/ecop.2000.6002
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  1. Schelling, Thomas C, 1992. "Some Economics of Global Warming," American Economic Review, American Economic Association, vol. 82(1), pages 1-14, March.
  2. Gupta, Sujata & M Bhandari, Preety, 1999. "An effective allocation criterion for CO2 emissions," Energy Policy, Elsevier, vol. 27(12), pages 727-736, November.
  3. Criqui, Patrick & Mima, Silvana & Viguier, Laurent, 1999. "Marginal abatement costs of CO2 emission reductions, geographical flexibility and concrete ceilings: an assessment using the POLES model," Energy Policy, Elsevier, vol. 27(10), pages 585-601, October.
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