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Le principe de précaution comme norme de l'action publique ou la proportionnalité en question

  • Olivier Godard

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

In France the precautionary principle gave birth to two basic opposite interpretations. The first one, fixed in the French legal framework and developed by the European doctrine, supports an early but proportionate consideration of potential hazards. The second one has been backed by environmental NGOs and disseminated into current use by media and political circles under crisis circumstances. It asks for a proof of no-risk and aims at eradicating all sources of hazards to the possible extent. As a result, a basic confusion arose between two ideas: to take early preventive action, and to accumulate more stringent preventive measures. Firstly, the paper sketches the landscape of competing concepts. It then shows why the "abstention rule" cannot be supported, even when its requirements are attenuated. It also identifies how a wrong framing of the decision problem leads a specific artefact to arise, by which earliness in the scientific time induces an overall inflation of risks through a perception of increased potential damage. To keep the precautionary principle on the right track, two requirements are to be met: enforcing the consideration of potential benefits the same way as potential hazards; proportioning preventive measures to the scientific plausibility of hypotheses of risks, in order to give a lower weight to assumptions deprived of significant evidence.

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Paper provided by HAL in its series Working Papers with number hal-00242985.

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Date of creation: 2003
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Handle: RePEc:hal:wpaper:hal-00242985
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  1. Dixit, A., 1988. "Entry And Exit Decisions Under Uncertainty," Papers 91, Princeton, Department of Economics - Financial Research Center.
  2. Gollier, Christian & Jullien, Bruno & Treich, Nicolas, 2000. "Scientific progress and irreversibility: an economic interpretation of the 'Precautionary Principle'," Journal of Public Economics, Elsevier, vol. 75(2), pages 229-253, February.
  3. Miles S. Kimball, 1989. "Precautionary Saving in the Small and in the Large," NBER Working Papers 2848, National Bureau of Economic Research, Inc.
  4. Ben S. Bernanke, 1983. "Irreversibility, Uncertainty, and Cyclical Investment," The Quarterly Journal of Economics, Oxford University Press, vol. 98(1), pages 85-106.
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