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Formalization and applications of the Precautionary Principle

  • Claude Henry

    (CECO - Laboratoire d'econometrie de l'école polytechnique - CNRS : UMR7657 - Polytechnique - X)

  • Marc Henry

    (Columbia Univesity)

Une formalisation du Principe de Précaution est donnée ici : nous formalisons la connaissance scientifique relative à la plausibilité d'évènements dans l'espace des états, ainsi que les concepts d'évènements et d'actes scientifiquements non ambigus. Nous définissons un plannificateur non précautionneux comme maximisant une utilité espérée de Savage après avoir écarté les actes scientifiquement ambigus. Nous montrons que pour une classe étendue de préférences de l'agent représentatif dans cette économie, cette modalité de choix non précautionneuse est sous-optimale. Nous confrontons cette modélisation à des débats, nationaux ou internationaux, concernant le changement climatique, certains arbitrages à l'OMC, et la régulation en matière de sécurité des produits chimiques.

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Paper provided by HAL in its series Working Papers with number hal-00243001.

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Date of creation: 2002
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Handle: RePEc:hal:wpaper:hal-00243001
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  1. Ghirardato, Paolo & Marinacci, Massimo, 2000. "Risk, Ambigity and the Separation of Utility and Beliefs," Working Papers 1085, California Institute of Technology, Division of the Humanities and Social Sciences.
  2. Henry, Claude, 1974. "Investment Decisions Under Uncertainty: The "Irreversibility Effect."," American Economic Review, American Economic Association, vol. 64(6), pages 1006-12, December.
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