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Leandri M., (CEMOTEV), Tidball M., (2017). Assessing the sustainability of optimal pollution paths in a world with inertia. FAERE Working Paper, 2017.10

publi Leandri tidball.JPG
Auteur : Marc Leandri (CEMOTEV), Mabel Tidball
Workingpaper :Assessing the sustainability of optimal pollution paths in a world with inertia.

Date : 2017

Informations pratiques :

Date
2017

Abstract


Most formal optimal pollution control models assume a constant natural assimilative capacity, despite the biophysical evidence on feedback effects that can degrade this environmental function, as it is the case with the reduction of ocean carbon sinks in the context of climate change. The few models that do consider this degradation establish a bijective relation between the pollution stock and the assimilative capacity, thus ignoring the inertia mechanism at stake. Indeed the level of assimilative capacity is not solely determined by
the current pollution stock but by the history of this stock and by the time the ecosystem remains above the degradation threshold. We propose an inertia assessment tool that tests the sustainability of any benchmark optimal pollution path when the inertia of the assimilative capacity degradation process is taken into account. Our simulations show a strong sensitivity to both the inertia degradation speed and the discount rate.

Keywords: Optimal pollution control, Assimilative Capacity, Inertia, Ecosystem Services, Climate Change

Dernière mise à jour de cette page : 7 juin 2017


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