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Ressources renouvelables et incertitude sur lespréférences des générations futures

  • Alain Ayong Le Kama

    (Université Lille 1 - Sciences et technologies)

  • Katheline Schubert

    ()

    (CES - Centre d'économie de la Sorbonne - UP1 - Université Panthéon-Sorbonne - CNRS)

The attitude of future generations towards environmental assets may well be different from ours. Even if we are tempted to believe that their sensitivity to environmental matters will be greater than ours, because of environmental depletion, we cannot make sure of that. This paper analyses the consequences of an uncertainty about future preferences in terms of the optimal consumption of a renewable resource in a very simple set-up. Will uncertainty lead to a more conservatice attitude towards the resource? We show that this is the case only when we expect now that future generations will be on average more sensitive than we are to the consumption of the resource. We also show that when we take this uncertainty into account the optimal path of consumption is deeply modified: not only does it become non-continuous but also it can becomenon-monotonous.

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Paper provided by HAL in its series Université Paris1 Panthéon-Sorbonne (Post-Print and Working Papers) with number halshs-00206513.

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Date of creation: Mar 2006
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Handle: RePEc:hal:cesptp:halshs-00206513
Note: View the original document on HAL open archive server: https://halshs.archives-ouvertes.fr/halshs-00206513
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