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Pré-Publication, Document De Travail Année : 2022

Revealed Deliberate Preference Change

Alexis Ghersengorin
  • Fonction : Auteur
  • PersonId : 1134804
  • IdRef : 26896114X
Simon Gleyze
  • Fonction : Auteur
  • PersonId : 1134805

Résumé

We propose a model of rational preference change that is identifiable, empirically testable and founded on two normative principles. First, the decision maker (DM) must be able to justify her preference change by making attributes of the alternatives relevant or irrelevant. For instance, an employer who stops discriminating against candidates based on race or gender must make the attribute "race" or "gender" irrelevant for all her future choices. Second, DM must be consistent in her preference change. For instance, in the future the employer cannot make relevant again the attribute "race" or "gender", unless she makes (ir)relevant other complementary attributes. We show that two axioms on choice data which reflect these principles are necessary and sufficient to represent preference change by the maximization of a meta-preference. Finally, we apply our model to derive new insights on the polarization of political preferences.
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Dates et versions

hal-03672734 , version 1 (19-05-2022)

Identifiants

  • HAL Id : hal-03672734 , version 1

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Niels Boissonnet, Alexis Ghersengorin, Simon Gleyze. Revealed Deliberate Preference Change. 2022. ⟨hal-03672734⟩
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