Please use this identifier to cite or link to this item: https://hdl.handle.net/10419/240210 
Year of Publication: 
2021
Citation: 
[Journal:] Sustainability [ISSN:] 2071-1050 [Volume:] 13 [Issue:] 15 [Article No.:] 8669 [Publisher:] MDPI [Place:] Basel [Year:] 2021
Publisher: 
MDPI, Basel
Abstract: 
Social norms, also called social comparison nudges, have been shown to be particularly effective in promoting healthy food choices and environmentally friendly behaviors. However, there is limited evidence on the effectiveness of these nudges for promoting sustainable and climate-friendly food choices and their potential to reduce greenhouse gas emissions and support the related SDGs. The paper reports a field experiment that tests the effectiveness of two social norms in a real-life setting based on revealed preferences. The study distinguishes between the widely researched descriptive norms and guessed norms, the latter being tested in this context for the first time. While descriptive norms communicate typical patterns of behavior (e.g., 50% of canteen visitors choose vegetarian meals), guessed norms are determined by the individual’s best guess about the norm in a specific context. The results confirm a remarkable nudging effect of guessed norms: The higher the presumed proportion of vegetarian dishes sold, the lower the probability of choosing a vegetarian dish. Surprisingly, this effect is independent of the respective norm specification (meat or vegetarian norm). The paper provides advice for policy makers about when and how to use guessed norms.
Subjects: 
climate-friendly behavior
field experiment
guessed norm
nudging
social norms
Persistent Identifier of the first edition: 
Creative Commons License: 
cc-by Logo
Document Type: 
Article
Document Version: 
Published Version

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