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Identifying sustainable diets compatible with consumer preferences
[Identification de régimes alimentaires durables compatibles avec les préférences des consommateurs]

Author

Listed:
  • Xavier Irz

    (Agrifood Research Finland)

  • Pascal Leroy

    (ALISS - Alimentation et sciences sociales - INRA - Institut National de la Recherche Agronomique)

  • Vincent V. Requillart

    (GREMAQ - Groupe de recherche en économie mathématique et quantitative - UT Capitole - Université Toulouse Capitole - UT - Université de Toulouse - INRA - Institut National de la Recherche Agronomique - EHESS - École des hautes études en sciences sociales - CNRS - Centre National de la Recherche Scientifique)

  • Louis Georges Soler

    (ALISS - Alimentation et sciences sociales - INRA - Institut National de la Recherche Agronomique)

  • Olivier Allais

    (ALISS - Alimentation et sciences sociales - INRA - Institut National de la Recherche Agronomique)

Abstract

Because food choices have important implications for human health and the environment, consumers are increasingly urged to modify their purchasing and eating habits so as to comply with a set of norms (e.g., eat at least five portions of fruits & vegetables a day; reduce meat consumption). However, the effect of compliance with those norms on the composition of the entire diet is uncertain because of potentially complex substitutions. To lift this uncertainty, we propose a model which extends the theory of the consumer under rationing to the case of multiple linear constraints. The effect on the diet of compliance with norms is derived from information on consumer preferences (price and expenditure elasticities of demand), consumption levels, and technical coefficients for each food (e.g., nutritional composition, GHG emissions). The model is then used to simulate how the French diet would respond to a five percent increase in fruit and vegetable consumption, as well as the related changes in diet quality and greenhouse gas emissions.

Suggested Citation

  • Xavier Irz & Pascal Leroy & Vincent V. Requillart & Louis Georges Soler & Olivier Allais, 2013. "Identifying sustainable diets compatible with consumer preferences [Identification de régimes alimentaires durables compatibles avec les préférences des consommateurs]," Post-Print hal-02804826, HAL.
  • Handle: RePEc:hal:journl:hal-02804826
    Note: View the original document on HAL open archive server: https://hal.inrae.fr/hal-02804826
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    References listed on IDEAS

    as
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    Cited by:

    1. Gaëlle Petit & Gwenola Yannou-Le Bris & Gilles Trystram, 2017. "Codesign of sustainable performance objectives in a food value chain," Post-Print hal-01813471, HAL.

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