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Prospect theory in multiple price list experiments: further insights on behaviour in the loss domain

Author

Listed:
  • Géraldine Bocquého

    (BETA - Bureau d'Économie Théorique et Appliquée - AgroParisTech - UNISTRA - Université de Strasbourg - Université de Haute-Alsace (UHA) - Université de Haute-Alsace (UHA) Mulhouse - Colmar - UL - Université de Lorraine - CNRS - Centre National de la Recherche Scientifique - INRAE - Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement, MSH Lorraine - Maison des Sciences de l'Homme Lorraine - UL - Université de Lorraine - CNRS - Centre National de la Recherche Scientifique)

  • Julien Jacob

    (BETA - Bureau d'Économie Théorique et Appliquée - AgroParisTech - UNISTRA - Université de Strasbourg - Université de Haute-Alsace (UHA) - Université de Haute-Alsace (UHA) Mulhouse - Colmar - UL - Université de Lorraine - CNRS - Centre National de la Recherche Scientifique - INRAE - Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement, MSH Lorraine - Maison des Sciences de l'Homme Lorraine - UL - Université de Lorraine - CNRS - Centre National de la Recherche Scientifique)

  • Marielle Brunette

    (BETA - Bureau d'Économie Théorique et Appliquée - AgroParisTech - UNISTRA - Université de Strasbourg - Université de Haute-Alsace (UHA) - Université de Haute-Alsace (UHA) Mulhouse - Colmar - UL - Université de Lorraine - CNRS - Centre National de la Recherche Scientifique - INRAE - Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement, MSH Lorraine - Maison des Sciences de l'Homme Lorraine - UL - Université de Lorraine - CNRS - Centre National de la Recherche Scientifique)

Abstract

In the theoretical description of prospect theory, distinct sets of parameters can control the curvature of the value function and the shape of the probability weighting function. There is one for the gain domain and one for the loss domain. However, in most estimations, behaviour over losses is assumed to perfectly reflect behaviour over gains, through a unique set of parameters. We examine the consequences of relaxing this simplifying assumption in the context of Tanaka et al.'s (Am Econ Rev 100(1):557-571, 2010) risk-elicitation procedure based on multiple price lists. We show that subjects' behaviour for gains is mostly reflected for losses at the aggregate and individual levels, and is consistent with the distinctive prospect theory fourfold pattern. Reflection is only partial as the mean curvature of the value function is slightly less convex for losses than it is concave for gains. These results are robust to a high-stake context. However, we demonstrate that assuming reflection can have huge consequences on loss-aversion measures. Incidentally, we also highlight the existence of a strong, negative and persistent pure loss-frame effect on elicited loss aversion. We recommend that future practitioners and modellers are particularly cautious about the loss-aversion values they obtain or use because these are especially sensitive to parametric assumptions and framing.

Suggested Citation

  • Géraldine Bocquého & Julien Jacob & Marielle Brunette, 2023. "Prospect theory in multiple price list experiments: further insights on behaviour in the loss domain," Post-Print hal-03768070, HAL.
  • Handle: RePEc:hal:journl:hal-03768070
    DOI: 10.1007/s11238-022-09902-y
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    Cited by:

    1. Bocquého, Géraldine & Deschamps, Marc & Helstroffer, Jenny & Jacob, Julien & Joxhe, Majlinda, 2023. "Modelling refugee migration under cognitive biases: Experimental evidence and policy," Journal of Behavioral and Experimental Economics (formerly The Journal of Socio-Economics), Elsevier, vol. 103(C).
    2. Jens Rommel & Julian Sagebiel & Marieke Cornelia Baaken & Jesús Barreiro‐Hurlé & Douadia Bougherara & Luigi Cembalo & Marija Cerjak & Tajana Čop & Mikołaj Czajkowski & María Espinosa‐Goded & Julia Höh, 2023. "Farmers' risk preferences in 11 European farming systems: A multi‐country replication of Bocquého et al. ()," Applied Economic Perspectives and Policy, John Wiley & Sons, vol. 45(3), pages 1374-1399, September.
    3. Jens Rommel & Julian Sagebiel & Marieke Cornelia Baaken & Jesús Barreiro-Hurlé & Douadia Bougherara & Luigi Cembalo & Marija Cerjak & Tajana Čop & Mikołaj Czajkowski & María Espinosa-Goded & Julia Höh, 2022. "Farmers' risk preferences in eleven European farming systems: A multi-country replication of Bocquého et al. (2014)," Working Papers 2022-24, Faculty of Economic Sciences, University of Warsaw.

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