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Rationalité conditionnelle, vertu de prudence et limites structurelles de la décision algorithmique : éléments empiriques issus de la conception des conseillers automatisés

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  • Olivier Koumba

    (GRANEM - Groupe de Recherche Angevin en Economie et Management - UA - Université d'Angers - Institut Agro Rennes Angers - Institut Agro - Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement)

Abstract

Cet article étudie la logique décisionnelle des robo-advisors. Il montre que ces dispositifs relèvent d'une rationalité conditionnelle : ils appliquent des règles paramétrées dans un espace informationnel fermé. L'analyse empirique met en évidence une amélioration moyenne de l'efficacité, mais aussi une restriction structurelle de l'espace des décisions possibles. L'article oppose ainsi cette rationalité conditionnelle à la vertu de prudence. Les limites observées apparaissent dès lors comme architecturales plutôt que computationnelles.

Suggested Citation

  • Olivier Koumba, 2026. "Rationalité conditionnelle, vertu de prudence et limites structurelles de la décision algorithmique : éléments empiriques issus de la conception des conseillers automatisés," Working Papers hal-05565848, HAL.
    • Handle: RePEc:hal:wpaper:hal-05565848
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