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Bezençon, Valéry

Nom
Bezençon, Valéry
Affiliation principale
Site web
Fonction
Professeur ordinaire
Email
valery.bezencon@unine.ch
Identifiants
https://libra.unine.ch/handle/123456789/737
_
0000-0002-1670-3179

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  • Publication
    Accès libre
    Are consumers consistent in their sustainable behaviours? A longitudinal study on consistency and spillover
    (2022-4-26)
    Puntiroli, Michael 
    ;
    Moussaoui, Lisa S.
    ;
    Bezençon, Valéry 
    It is unclear whether knowledge about a customer’s current sustainable behaviours, such as their choice of lightbulbs or travel mode, allows us to predict the sustainable behaviours they will carry out in the future. We address this in a large longitudinal study (N = 2177) where participants provided self-reports on electricity-, heating- and mobility related consumption at two separate times, three years apart. The results highlighted a high level of temporal consistency, whereby carrying out one sustainable behaviour predicted consumers would be carrying out the same behaviour three years later. However, sustainable behaviours generally did not drive other different sustainable behaviours years later (i.e. no spillover). In fact, isolated instances of spillover emerged only between different kinds of mobility-related consumption among consumers with high environmental values. Overall, the findings indicate a high degree of consistency in sustainable behaviour even years apart, and limited spillover from one sustainable behaviour to another.
  • Publication
    Accès libre
    Feedback devices help only environmentally concerned people act pro-environmentally over time
    (2020-6-6)
    Puntiroli, Michael 
    ;
    Bezençon, Valéry 
    Technological advancements spawn products that tend to be useful when placed in the appropriate hands. Here we investigated whether potential benefits of owning a feedback device were driven by individual differences in environmental values (i.e. biospherism), or whether the device alone is sufficient to reduce energy over time. We examined a total of 276 households, 138 equipped with a feedback device formed our treatment group, and 138 control households selected from a wider pool of households (+2000) based on their similarity to the treatment households, according to a statistical matching procedure. The results indicated that individuals with low biospheric values fail to decrease their electricity expenditure when paired with a feedback device. Conversely, highly biospheric individuals do engage in more pro-environmental behaviour when they receive feedback, but only when they have owned the device for about three years or more. We obtained additional insights, by focusing on differences within the treatment group that suggest, once again, that only highly biospheric individuals who owned the device for over three years successfully implement changes in the household. Overall, these results indicate that feedback devices such as smart meters can be important tools in achieving energy reductions only when paired with environmentally concerned individuals. Given the current trend towards increased feedback technology, policy implications for decision makers are discussed.