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Sécurité sanitaire des aliments : fausse alerte et vraie crise

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  • Mohamed Salah Matoussi
  • Sylvette Monier-Dilhan
  • Daniel Hassan
  • Éric Cahuzac

Abstract

[fre] Ces dernières années, plusieurs crises ont entamé la confiance des consommateurs dans la sécurité sanitaire de leur alimentation. Cette situation a favorisé plusieurs fausses alertes qui ont parfois entraîné de vraies crises. Nous étudions l’une de ces crises, survenue en 1999 suite à une alerte à la listéria concernant une marque de camembert. Ce travail repose sur les données individuelles d’un panel de consommateurs. Nous retrouvons deux résultats de l’Économie du risque. Primo, l’information a des effets asymétriques, selon qu’elle est rassurante ou inquiétante. Secundo, les alertes ponctuelles, assimilables à de la publicité négative, n’ont pas d’effet durable sur le marché. Par ailleurs, l’impact de cette crise n’est modulé ni par l'éducation ni par les habitudes de consommation. [eng] In recent years, lower consumer confidence in food safety has encouraged false alerts which have sometimes led to actual crises. This paper studies a crisis due to an alert concerning the reported presence of listeria in a brand of raw milk camembert. The investigation relies on individual data. Two results of the economics of risk are confirmed. First, information has asymmetric effects, depending on its positive or negative aspects. Second, one-off alerts have only temporary effects on consumption. Further , neither educational attainment nor consumer habits played any role in the impact of the crisis.

Suggested Citation

  • Mohamed Salah Matoussi & Sylvette Monier-Dilhan & Daniel Hassan & Éric Cahuzac, 2007. "Sécurité sanitaire des aliments : fausse alerte et vraie crise," Économie et Prévision, Programme National Persée, vol. 177(1), pages 55-64.
  • Handle: RePEc:prs:ecoprv:ecop_0249-4744_2007_num_177_1_7978
    DOI: 10.3406/ecop.2007.7978
    Note: DOI:10.3406/ecop.2007.7978
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