From evaluation to action: Testing nudging strategies to prevent food waste in school canteens

Vidal-Monés, Berta; Díaz-Ruiz, Raquel; Gil, José María

doi:10.1016/j.wasman.2022.01.006

Cited by 17 publications

(21 citation statements)

References 38 publications

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“…Nudging is defined as "any aspect of the choice architecture that alters people's behavior in a predictable way without forbidding any options or significantly changing their economic incentives" [43]. Nudging strategies are usually low-cost, easy to implement and present very good results [44][45][46].…”

Section: Use Nudging Strategies To Change Consumer Behaviourmentioning

confidence: 99%

Challenges of Food Service towards Sustainability Beyond Food Waste

Rocha¹,

Viegas²

2023

Highlights Sustain.

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Food service comprises the production of meals consumed outside the home, including consumers from all age groups and in different sectors, such as schools (from kindergarten to university), public and private companies, the health sector (from hospitals to elderly care institutions), military, sports facilities and restaurants (from fine dining to fast-food). Food service units (FSU) achieved importance and responsibility not only for feeding the population but also as an important setting for public health interventions, potentially educating consumers and modulating behaviours through the meals provided. In addition to its socioeconomic impact, the food service industry has a strong environmental impact. More sustainable food service starts with the basics: minimizing environmental impact by reducing carbon footprint. Food service industry is being encouraged to make choices that positively impact the environment. Nevertheless, most of the efforts and research made in the last years have been focused on evaluating and reducing food waste. This article focuses on strategies that could be implemented beyond food waste, and act on changing the food offer towards health and sustainability while promoting consumers’ behaviour change.

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Section: Use Nudging Strategies To Change Consumer Behaviourmentioning

confidence: 99%

Challenges of Food Service towards Sustainability Beyond Food Waste

Rocha¹,

Viegas²

2023

Highlights Sustain.

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“…Because of the high benefit-cost ratio of nudges, as compared to other policy tools, e.g., material incentives that include vouchers and tokens, (Yoeli et al, 2013;Benartzi et al, 2017;Chetty et al, 2014;Rogers and Feller, 2018;Mertens et al, 2022), governments and public institutions have increasingly used nudges to promote various policy goals in domains such as health, tax compliance, consumer protection and retirement savings (e.g., Halpern, 2015;OECD, 2017;Carlsson et al, 2019;Ruggeri, 2021) as well in promoting PEB (e.g., Schubert, 2017;Akbulut-Yuksel and Boulatoff, 2021). For example, "green nudges" (i.e., nudges that aim at promoting environmentally benign behavior) can be used to promote energy and water conservation (e.g., Allcott, 2011;Yoeli et al, 2013;Bhanot, 2021), recycling behaviors (e.g., Zhang and Wang, 2020) or food waste reduction (e.g., Kallbekken and Saelen, 2013;Vidal-Mones et al, 2022).…”

Section: Nudgesmentioning

confidence: 99%

Engaging faith-based communities in pro-environmental behavior using soft regulations: The case of single-use plastics

Kaufmann

Tikotsky

Yoreh

et al. 2023

Front. Environ. Sci.

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The consumption of single-use plastics, such as disposable tableware (DTW), conveys a high benefit-cost ratio for consumers while having large environmental externalities. To encourage consumers to reduce their use of DTWs, governments could use small and non-coercive changes in people’s decision-making environments (nudges). This study focuses on the Israeli ultra-Orthodox communities a secluded population group that grows much faster- and consumes much more DTW than the rest of the Israeli population. Employing a quasi-representative sample (N = 450) of this population, this study conducted a discrete-choice experiment that presents the respondent with alternative options to reduce DTW. Two kinds of Nudges–framing and social norms–were utilized. The effectiveness of these Nudges in promoting PEB among faith-based communities has received little attention in previous studies. As another contribution to the literature, this paper also integrates latent constructs such as the respondents’ environmental attitudes and level of conservativeness. 46% of the respondents chose to opt-out whereas 29%, 14%, and 11% chose ‘1-day’, ‘2-days’, and ‘3-days’ per week avoiding DTW, respectively. Social norms, framings, and environmental attitudes had a significant mediating effect, with framing being associated with the highest effect on intentions to reduce DTW, i.e., a willingness to give up 0.31 USD per family member per month, compared to 0.07 USD for an increase in the description of the social norm. The results suggest that Nudges can enhance policies aimed at encouraging pro-environmental behavior among faith-based communities.

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Section: Literature Review and Hypotheses Developmentmentioning

confidence: 99%

“…addictive behaviors (Newall, 2019), healthy eating (van Rookhuijzen and de Vet, 2021), disease prevention (Misawa et al, 2020) and food waste behavior (Leverenz et al, 2019)]. Recent successful examples of nudging have been used to help reduce public dining food waste initiating takeaway leftovers (Hamerman et al, 2018), asking for doggy bags in eateries (Giaccherini et al, 2021), understanding portion sizes in school canteens (Vidal-Mones et al, 2022) and displaying larger plate size (Qi et al, 2022). Message framing has to be appropriate for the intended audience for any campaign to be successful (Pearson and Perera, 2018) and for today's tech-savvy audience, the nudging messages should be relayed quickly, effectively and widely (Soma et al, 2020) through digital platforms (Mullick et al, 2021).…”

Section: Nudge Theory and Digital Nudgingmentioning

confidence: 99%

“…While a strong presence of behavioral objectives is found in change initiatives, consumer orientation strategy however is lacking to effectively drive such changes (Katt and Meixner, 2020;Kotler and Zaltman, 1971). Kim et al's (2019) systematic review highlights the various programs initiated to reduce food waste using nudging within the specific contextual setting (Hamerman et al, 2018;Giaccherini et al, 2021;Vidal-Mones et al, 2022;Qi et al, 2022); however, none centered around using digital nudging in public spaces. Hence, this study hopes to fill the gap in analyzing how digital nudging can be used to affect positive behavioral change in food waste reduction.…”

Section: Introductionmentioning

confidence: 99%

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One needs to be reminded and motivated: mediating role of digital nudging for food waste reduction

Ong

Chiu

Andrews

et al. 2023

JSOCM

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Purpose The global food waste and food scarcity paradox is steadfastly increasing. This study aims to examine the effects of digital nudging as forms of positive and negative reinforcement to change food waste behavior and found that nudging positive reinforcement modifies this habit. Design/methodology/approach A field experiment was conducted on 628 diners randomly split into experiment (n = 412) and control group (n = 216) in two separate dining locations over four weeks. Out of these, 412 diners were randomly subjected to tent cards with positive (n = 228) and negative (n = 184) reinforcement nudging and completed a questionnaire to ascertain if nudging affects their consumption behavior. Consumption waste per unit revenue was calculated from all 628 diners individually to analyze the financial impact between control and experiment groups. Findings SEM analysis reveals that positive reinforcement mediates between external motivators (social media and restaurant service) and reduction of food waste behavior. Further analysis also reveals that nudging has a higher three times effect on reducing food waste as compared with no nudging (control). Social implications Positive messaging encourages behavior change more effectively as compared to negative ones. Gentle reminders of how everyone can personally be a “warrior” or “hero” in the fight against global food waste increases the likelihood of altruistic motivation in tackling these issues. Originality/value This study demonstrates how positive reinforcement in the form of nudges acts as key mediator to support reduction of consumer food waste on site, ultimately helping to reduce financial costs compared to those without nudges.

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From evaluation to action: Testing nudging strategies to prevent food waste in school canteens

Cited by 17 publications

References 38 publications

Challenges of Food Service towards Sustainability Beyond Food Waste

Challenges of Food Service towards Sustainability Beyond Food Waste

Engaging faith-based communities in pro-environmental behavior using soft regulations: The case of single-use plastics

One needs to be reminded and motivated: mediating role of digital nudging for food waste reduction

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