Risk Management and the Precautionary Principle: A Fuzzy Logic Model

Enrico Cameron and Gian Francesco Peloso

Risk Analysis, 2005, vol. 25, issue 4, 901-911

Abstract: The aim of this article is to illustrate a procedure for applying the precautionary principle within a strategy for reducing the possibility of underestimating the effective risk caused by a phenomenon, product, or process, and of adopting insufficient risk reduction measures or overlooking their need. We start by simply defining risk as the product between the numerical expression of the adverse consequences of an event and the likelihood of its occurrence or the likelihood that such consequences will occur. Uncertainty in likelihood estimates and several key concepts inherent to the precautionary principle, such as sufficient certainty, prevention, and desired level of protection, are represented as fuzzy sets. The strategy described may be viewed as a simplified example of a precautionary decision process that has been chiefly conceived as a theoretical contribution to the debate concerning the precautionary principle, the quantification of its application, and the formal approach to such problems.

Date: 2005
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https://doi.org/10.1111/j.1539-6924.2005.00607.x

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Persistent link: https://EconPapers.repec.org/RePEc:wly:riskan:v:25:y:2005:i:4:p:901-911

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