Consumer food waste, like many environmental behaviours, takes place in private, and is not directly subject to social monitoring. Nevertheless, social interactions can affect private opinions and behaviours. This paper builds an agent-based model of interactions between consumers heterogeneous in their sociability, their initial opinions and behaviours related to food waste, and their willingness to consider different opinions, in order to assess how social interactions can affect private behaviours. Compared to existing models of opinion dynamics, we innovate by including a range of "cognitive dissonance" between stated opinions and actual behaviours that consumers are willing to accept before changing one of the two. We calibrate the model using questionnaire data on household food waste in Italy. We find that a limited degree of mixing between different socio-demographic groups, namely adult and young consumers, is enough to trigger change, but a certain openness of mind is required from more wasteful individuals....
From social interactions to private environmental behaviours: the case of consumer food waste.
The James Hutton Institute, Social, Economic & Geographical Sciences, Craigiebuckler, Aberdeen AB15 8QH, Scotland, UK. E-mail email@example.com
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Piras, S., Righi, S., Setti, M., Koseoglu, N., Grainger, M. J., Stewart, G. B., Vittuari, M.; From social interactions to private environmental behaviours: the case of consumer food waste.. IFIS Food and Health Sciences Database 2022; doi:
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