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Energy substitutions, climate change and carbon sinks

Author

Listed:
  • Gilles Lafforgue

    (LERNA - Economie des Ressources Naturelles - UT Capitole - Université Toulouse Capitole - Comue de Toulouse - Communauté d'universités et établissements de Toulouse - INRA - Institut National de la Recherche Agronomique - CEA - Commissariat à l'énergie atomique et aux énergies alternatives)

  • Bertrand Magne

    (LERNA - Economie des Ressources Naturelles - UT Capitole - Université Toulouse Capitole - Comue de Toulouse - Communauté d'universités et établissements de Toulouse - INRA - Institut National de la Recherche Agronomique - CEA - Commissariat à l'énergie atomique et aux énergies alternatives, IPS - Institut Paul Scherrer)

  • Michel Moreaux

    (LERNA - Economie des Ressources Naturelles - UT Capitole - Université Toulouse Capitole - Comue de Toulouse - Communauté d'universités et établissements de Toulouse - INRA - Institut National de la Recherche Agronomique - CEA - Commissariat à l'énergie atomique et aux énergies alternatives, UT Capitole - Université Toulouse Capitole - Comue de Toulouse - Communauté d'universités et établissements de Toulouse)

Abstract

We determine the optimal exploitation time-paths of two energy resources, one being depletable and polluting, namely a fossil fuel, the other being renewable and clean. These optimal paths are considered along with the two following features. First, the cumulative atmospheric pollution stock is set not to exceed some critical threshold and second, the 20 polluting emissions produced by the use of fossil fuel can be reduced at the source and 21 stockpiled in several carbon sinks of limited capacity. We show that, if the renewable 22 resource flow is abundant, the optimal path requires that sequestration is implemented 23 only once the ceiling is reached. Moreover, the reservoirs should be completely filled by 24 increasing order of their respective sequestration costs.

Suggested Citation

  • Gilles Lafforgue & Bertrand Magne & Michel Moreaux, 2008. "Energy substitutions, climate change and carbon sinks," Post-Print hal-02667760, HAL.
    • Handle: RePEc:hal:journl:hal-02667760
    DOI: 10.1016/j.ecolecon.2008.01.008
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