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Nudging consumers about the issue of microplastics: an experimental auction study on valuation for sustainable food packaging
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Researchers used an experimental auction to study whether informing consumers about microplastic pollution changes how much they are willing to pay for sustainable food packaging. They found that consumers offered significantly more for pasta products packaged in biodegradable materials with environmental footprint labels, especially after learning about microplastic risks. The study suggests that transparent labeling combined with consumer education could be an effective way to shift purchasing behavior toward more sustainable options.
Plastic, integral to food packaging since the 1950s, has become a global environmental concern due to its contribution to microplastic pollution. Microplastics harm ecosystems, impacting wildlife and human health. Amid increasing focus on sustainability, global initiatives target sustainable production and consumption, but consumers struggle to verify product claims, leading to potential greenwashing, particularly in the food industry. We conducted an experiment focusing on pasta products with varied packaging and labeling attributes. Findings suggest that consumers are willing to pay more for products with both biodegradable packaging and Product Environmental Footprint (PEF) labels, indicating heightened trust and perceived sustainability. Information about microplastics' adverse environmental effects influenced consumer valuation, particularly among females, higher-income individuals, and those with stronger environmental concerns.
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Do Plastic Warning Labels Reduce Consumers’ Willingness to Pay for Plastic Packaging?
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This consumer economics study examined whether plastic warning labels on food packaging reduce consumers willingness to pay for labeled products, testing environmental labeling as a demand-side instrument for reducing plastic packaging use. Researchers assessed responses to labeled versus unlabeled plastic packaging across product categories. This is a marketing and food economics study focused on plastic packaging policy rather than environmental microplastic science.
Can we shop ourselves to a clean sea? An experimental panel approach to assess the persuasiveness of private labels as a private governance approach to microplastic pollution
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An experimental consumer survey in Norway, Germany, and Portugal found that people are willing to pay a premium for products certified as microplastic-free, suggesting that private certification schemes could be an effective market-based tool for reducing microplastic pollution. However, willingness to pay was influenced by country, trust in certifiers, and how the certification was framed.
Public Willingness to Pay for Sustainable Consumption: Case of Bioplastic Medical Masks
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This paper is not relevant to microplastics research; it uses a discrete choice experiment to measure consumers' willingness to pay for bioplastic medical masks, focusing on sustainable purchasing behavior rather than microplastic pollution science.
Consumers’ perceptions and willingness to pay for a hypothetical microplastics-free labelled bottled water: an empirical study in Italy
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Researchers surveyed 344 Italian consumers and found that awareness of microplastics in bottled water, pro-environmental attitudes, and health concerns all increased people's willingness to pay a premium for water labeled "microplastic-free." However, price sensitivity remained a strong barrier, suggesting that microplastic-free products must be priced carefully to reach mainstream markets.
Microplastics in seafood: Consumer preferences and valuation for mitigation technologies
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A consumer survey in Chile found that people were willing to pay about US$4 extra for mussels certified to have 90% lower microplastic content, and informing consumers about health risks increased that price premium by 56%. This signals a market opening for microplastic mitigation technologies in seafood and highlights how public awareness of health risks can drive demand for cleaner food products.
Research digests by email
When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.