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Marchés avec coûts d'information sur la qualité des biens : une application aux produits écolabellisés

Author

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  • Douadia Bougherara

    (SMART-LERECO - Structures et Marché Agricoles, Ressources et Territoires - INRA - Institut National de la Recherche Agronomique - AGROCAMPUS OUEST)

  • Virginie Piguet

    (CESAER - Centre d'Economie et de Sociologie Rurales Appliquées à l'Agriculture et aux Espaces Ruraux - ENESAD - Etablissement National d'Enseignement Supérieur Agronomique de Dijon - INRA - Institut National de la Recherche Agronomique)

Abstract

La théorie des défaillances de marché identifie les situations pour lesquelles la "main invisible" ne mène pas à une allocation efficace. Les marchés sont notamment dits défaillants en asymétrie d'information. Ce cadre est souvent évoqué pour analyser le rôle des labels dans les marchés pour des biens de croyance. Les labels sont alors des mécanismes permettant de rétablir la symétrie d'information entre vendeur et acheteur et de mener à des transactions plus efficaces. Nous montrons que les labels n'augmentent pas nécessairement l'efficacité des marchés car ils sont susceptibles d'introduire des coûts supplémentaires, sources d'inefficacité. Bien que notre étude soit généralisable, nous l'appliquons aux labels environnementaux. Une définition des attributs des biens en termes de coûts d'information sur la qualité enrichit l'analyse économique de la labellisation. Nous mettons en évidence, à travers une analyse expérimentale, l'inefficacité des marchés avec coûts d'information sur la qualité.

Suggested Citation

  • Douadia Bougherara & Virginie Piguet, 2008. "Marchés avec coûts d'information sur la qualité des biens : une application aux produits écolabellisés," Post-Print hal-01462331, HAL.
    • Handle: RePEc:hal:journl:hal-01462331
    Note: View the original document on HAL open archive server: https://hal.science/hal-01462331
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    1. Salladarré, Frédéric & Guillotreau, Patrice & Lesage, Claire-Marine & Ollivier, Pierrick, 2013. "Les préférences des consommateurs pour un écolabel. Le cas des produits de la mer en France," Revue d'Etudes en Agriculture et Environnement, Editions NecPlus, vol. 94(03), pages 339-363, September.
    2. Bougherara Douadia & Piguet Virginie, 2009. "Market Behavior with Environmental Quality Information Costs," Journal of Agricultural & Food Industrial Organization, De Gruyter, vol. 7(2), pages 1-28, December.
    3. Salladarré Frédéric & Guillotreau Patrice & Perraudeau Yves & Monfort Marie-Christine, 2010. "The Demand for Seafood Eco-Labels in France," Journal of Agricultural & Food Industrial Organization, De Gruyter, vol. 8(1), pages 1-26, December.
    4. Eline Jongmans & Alain Jolibert & Julie Irwin, 2014. "Toujours plus, toujours mieux ? Effet contre-intuitif de l'évaluation des attributs environnementaux du produit par le consommateur," Post-Print halshs-01185784, HAL.

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