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Publications (10 of 20) Show all publications
Hunka, A. D., Melkamu Daniel, A., Lindahl, C. & Rydberg, A. (2025). From farm to fork: Swedish consumer preferences for traceable beef attributes. Food and Humanity, 5, Article ID 100673.
Open this publication in new window or tab >>From farm to fork: Swedish consumer preferences for traceable beef attributes
2025 (English)In: Food and Humanity, ISSN 2949-8244, Vol. 5, article id 100673Article in journal (Refereed) Published
Abstract [en]

Recent advances in information technology offer unprecedented opportunities for the agricultural sector, including novel methods of meat traceability and data acquisition. However, the uptake of digital technologies remains faster in crop and dairy farming than in meat industry. One of the main reasons for this situation is the required upfront investment and the uncertainty around recovering the costs. It is likely that part of these costs will ultimately fall on the consumer, and it is currently uncertain whether the consumer is willing to cover them. We examined the preferences of beef buyers in Sweden for information available at the point of purchase. In total, 1010 participants provided valid responses to a Best-Worst Scaling survey administered online. The results of the general model showed that country of origin was the most important factor for consumers, with many associating meat produced in Sweden with high animal welfare and environmental standards. The study also found that over 50 % of respondents were satisfied with the current regulations regarding animal welfare and food safety. In the subsequent step, employing a latent class model, we identified three groups of respondents: Information Seekers, Indifferent Shoppers, and Price-driven Shoppers. Information Seekers valued detailed information about beef higher than price and were more likely to be female and middle- to high-earners. Indifferent Shoppers paid little attention to information at the point of purchase and were guided more by price. Price-driven Shoppers were mostly guided by price and considered it the most important attribute.

Place, publisher, year, edition, pages
Elsevier B.V., 2025
Keywords
Animal welfare, Best-worst scaling, Digitalisation in farming, Food safety, Information
National Category
Food Science Economics
Identifiers
urn:nbn:se:ri:diva-79328 (URN)10.1016/j.foohum.2025.100673 (DOI)2-s2.0-105008454324 (Scopus ID)
Note

Article; Granskad

Available from: 2025-11-27 Created: 2025-11-27 Last updated: 2025-11-27Bibliographically approved
Bour, A., Melnyk, K., Hunka, A. D., Vanacore, E., Palmqvist, A., Bui, T. & Syberg, K. (2025). How can machine learning inform about chemical risks in circular textiles?. Integrated Environmental Assessment and Management, 21(5), 979-985
Open this publication in new window or tab >>How can machine learning inform about chemical risks in circular textiles?
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2025 (English)In: Integrated Environmental Assessment and Management, ISSN 1551-3777, E-ISSN 1551-3793, Vol. 21, no 5, p. 979-985Article in journal (Refereed) Published
Abstract [en]

Hazardous chemicals in textiles represent a serious health issue. This is mainly due to missing data on the used chemicals and/or on their hazard, which prevents proper chemical risk assessment. Although identifying and filling these data gaps is crucial, the myriad chemicals used for textile production and multiple data sources make it extremely difficult to manually collect and process all the data. Here, we propose a machine learning-based approach to tackle this issue. First, we identify the relevant sources and data that can be analyzed with machine learning. Then, we propose knowledge graphs as a tool to organize and analyze the data. We finally provide specific examples and detail the expected outcomes of our approach.

Place, publisher, year, edition, pages
Oxford University Press, 2025
Keywords
chemical risk assessment, chemicals registration, hazardous chemicals, knowledge graphs, REACH, dangerous goods, environmental monitoring, machine learning, procedures, risk assessment, textile, Hazardous Substances, Textiles
National Category
Environmental Sciences
Identifiers
urn:nbn:se:ri:diva-79393 (URN)10.1093/inteam/vjaf088 (DOI)2-s2.0-105014540307 (Scopus ID)
Note

Article; Granskad

Available from: 2025-12-05 Created: 2025-12-05 Last updated: 2025-12-17Bibliographically approved
Hunka, A. D., Melkamu Daniel, A., Bour, A. & Boyer, R. (2025). Is transparency a good business strategy?: Consumer preferences and willingness to pay for information about the chemical content of reused and recycled clothing. Sustainable Production and Consumption, 56, 128-141
Open this publication in new window or tab >>Is transparency a good business strategy?: Consumer preferences and willingness to pay for information about the chemical content of reused and recycled clothing
2025 (English)In: Sustainable Production and Consumption, ISSN 2352-5509, Vol. 56, p. 128-141Article in journal (Refereed) Published
Abstract [en]

Recirculation can play an important role minimizing the environmental impact of the textile industry. However, there exist conflicts between recirculation of resources and regulatory strategies for a non-toxic environment. One pathway to remove restricted substances from recirculation is through labelling strategies that inform consumers about the chemical content of products. To date, research on the influence of information about chemical content on consumers’ willingness to pay for retail purchases, particular in the clothing sector, is rather limited. Using discrete choice experiments conducted in Denmark, Sweden and the United Kingdom with a sample of 1528 adults, we investigated whether access to information about the chemical content of garments influences consumer willingness to pay across new, recycled and reused clothing. Although access to information about restricted chemicals is enshrined as a right-to-know in the European Union’s regulations, the study highlights low awareness of this right: <23 % of respondents in all countries have requested such information. Findings show a strong preference for either instant access to chemical information through a QR code or direct access to information printed directly on a product label. Interestingly, the choice of QR code is preferred over printed product labels. At the same time, information provided in the standard 45-day waiting period is no more preferred than no information at all. Meaningfully, consumers in all contexts are willing to pay a premium for rapid access to information for new and recycled options, but there is uncertainty regarding used options. Our results also show that up to 9 % of the respondents choose according to an elimination-by-aspects strategy, meaning they will avoid purchasing clothes without access to information about chemical content. The results strengthen the need for higher transparency and better exchange of information along textile value chains, however they also emphasize the already high uncertainty faced by circular economy enterprises. 

Place, publisher, year, edition, pages
Elsevier B.V., 2025
Keywords
Garment industry; Chemical content; Choice experiments; Elimination by aspect; Product labels; QR codes; REACH; Recirculations; Restricted chemical; Stated preferences; Willingness to pay; Textile industry
National Category
Economics and Business
Identifiers
urn:nbn:se:ri:diva-78313 (URN)10.1016/j.spc.2025.03.020 (DOI)2-s2.0-105001588596 (Scopus ID)
Note

This research has been financially supported by the Swedish Council for Sustainable Development (FORMAS), grant agreement number 2021-00446

Available from: 2025-09-23 Created: 2025-09-23 Last updated: 2025-09-23Bibliographically approved
Boyer, R., Hunka, A. D., Vanacore, E. & Björner Brauer, H. (2025). Why some Consumers Choose Circular and Others do not: The Social Practice of Shopping for Circular Garments. Circular Economy and Sustainability
Open this publication in new window or tab >>Why some Consumers Choose Circular and Others do not: The Social Practice of Shopping for Circular Garments
2025 (English)In: Circular Economy and Sustainability, ISSN 2730-597X, E-ISSN 2730-5988Article in journal (Refereed) Epub ahead of print
Abstract [en]

Existing research highlights a gap between consumers’ stated preferences for circular products and their actual purchasing decisions. While much existing consumer-oriented research aims implicitly or explicitly to transform consumers’ attitudes and beliefs, this paper adopts a social practice framework in which consumer attitudes and beliefs play a relatively small role explaining behavior like purchasing decisions. The study focuses specifically on the practice of shopping for jeans, taking advantage of focus groups with adults in the United Kingdom to elicit detailed explanations of their preferences for new, recycled, or used jeans. Whereas much existing research on consumer preferences for circular or non-circular clothing assumes a direct or near-direct causal connection between preferences and behavior, we find that shopping for these different categories of jeans involves distinct social practices composed of variable meanings, materials, and competencies that are accessible to some individuals and inaccessible to others. Consequently, one avenue to increasing the relative frequency of jeans reuse becomes a matter of improving consumers’ access to the practice of shopping for used jeans rather than attempting to transform their attitudes or beliefs. 

Place, publisher, year, edition, pages
Springer Nature, 2025
National Category
Economics and Business
Identifiers
urn:nbn:se:ri:diva-78455 (URN)10.1007/s43615-025-00527-1 (DOI)2-s2.0-86000064917 (Scopus ID)
Note

 Open access funding provided by RISE Research Institutes of Sweden.This work was supported by the Swedish Council for Sustainable Development (FORMAS) under the grants number 2021−00446: CHEmical Safety to Support circular economy (CHESS) and 2023–02047: CIRCLE WEAR– the digital garment repair platform.

Available from: 2025-05-23 Created: 2025-05-23 Last updated: 2025-09-23Bibliographically approved
Melkamu Daniel, A., Hunka, A. D., Vanacore, E., Habibi, S., Medin, I. & Kautto, A. H. (2024). Expert elicitation of remote meat inspection prerequisites in Sweden using best-worst scaling (case 1). Food Control, 162, Article ID 110460.
Open this publication in new window or tab >>Expert elicitation of remote meat inspection prerequisites in Sweden using best-worst scaling (case 1)
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2024 (English)In: Food Control, ISSN 0956-7135, E-ISSN 1873-7129, Vol. 162, article id 110460Article in journal (Refereed) Published
Abstract [en]

Remote work technologies offer unprecedented flexibility to modernise official meat inspection (MI). Remote meat inspections, alongside on-site controls have a potential to make MI more sustainable when it comes to working conditions, logistic control hurdles and travel-related emissions. Nevertheless, preferences of meat control staff for features and technological set up of remote MI remain unknown. The paper investigates preferences of official Swedish MI staff for different features of remote MI. The study utilises a quantitative method, namely best-worst scaling to compare the relative importance of six aspects of remote inspections: camera location and settings, connectivity, availability of personnel at abattoirs, communication and language, security and fraud prevention, and ability to relay olfaction and haptics. The survey, administered in September–October 2023 was answered by 54.7% of the Swedish meat control staff employed by the Swedish Food Agency. The results show that respondents rate security and fraud prevention (Security) as the most important aspect for remote MI followed by connectivity and camera placement (Camera). Communication and language (Communication) and ability to relay olfaction and haptics (Senses) are considered the least important aspects. The latter findings can be explained by the fact that Official Veterinarians, which represent the majority of respondents (49%), do not routinely communicate directly with slaughter personnel who are often seasonal workers coming from outside Sweden. Moreover, olfaction and haptics could be considered naturally impractical with remote technologies. The study also finds that respondents from different administrative units and job titles have different preferences for the features of remote MI. Respondents from the headquarter generally have higher preferences for connectivity than respondents from other units. Additionally, respondents with more hands-on experience in MI, such as Official Veterinarians, tend to rate security issues higher than respondents with leading or support roles. Overall, it seems possible to meet the control staff expectations and preferences regarding the prerequisites of remote MI by legal and technical adaptations needed for this type of control flexibility. © 2024 The Authors

Place, publisher, year, edition, pages
Elsevier Ltd, 2024
National Category
Agriculture, Forestry and Fisheries
Identifiers
urn:nbn:se:ri:diva-72800 (URN)10.1016/j.foodcont.2024.110460 (DOI)2-s2.0-85188723970 (Scopus ID)
Available from: 2024-05-14 Created: 2024-05-14 Last updated: 2025-09-23Bibliographically approved
Hunka, A. D., Vanacore, E., Medin, I., Gjona, E. & Kautto, A. H. (2024). Official Control in Slaughter and Game Handling: Expectations and Prerequisites for Implementation of Remote Meat Inspection in Sweden. Journal of Food Protection, 87(1), Article ID 100196.
Open this publication in new window or tab >>Official Control in Slaughter and Game Handling: Expectations and Prerequisites for Implementation of Remote Meat Inspection in Sweden
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2024 (English)In: Journal of Food Protection, ISSN 0362-028X, E-ISSN 1944-9097, Vol. 87, no 1, article id 100196Article in journal (Refereed) Published
Abstract [en]

Remote meat inspection is currently not permitted under the European Union food control legislation. However, the environmental impact of travelling to and from abattoirs and increasing shortages of qualified veterinary staff make remote controls a potential future scenario. This paper reports the results of a qualitative study conducted with a sample of nineteen official veterinarians and food business operators in Sweden. We investigated attitudes, perceived risks, and prerequisites for remote meat controls in semi-structured interviews. Results indicate both positive attitudes towards remote meat inspection, and concerns related to technical challenges, reliability and security of data transfer, and possibilities of manipulation of the remote system. Respondents also noted both negative effects, such as physical hurdles for good control, and positive impacts on animal welfare, such as shortened waiting times for slaughter. Considering the current regulatory framework, only 21% of the respondents have had any prior experience with (pilot) remote meat inspections and the additional 11% carried out remote inspections of Food Chain Information documents. Nevertheless, all participants, including the majority without any prior experience in remote inspections, assumed that remote inspections would be done via video streaming. The optimal setting for a remote meat inspection, according to our respondents, seems to be a combination of cameras at fixed locations with body cameras worn by assisting abattoir personnel. Overall, remote meat inspections are possible to introduce but not without significant legal and technical adaptations as well as definition of the conditions for this type of control flexibility.

Keywords
Ante-mortem, Attitudes, Food control, Post-mortem, Remote audit
National Category
Food Science
Identifiers
urn:nbn:se:ri:diva-68450 (URN)10.1016/j.jfp.2023.100196 (DOI)
Available from: 2023-12-11 Created: 2023-12-11 Last updated: 2025-09-23Bibliographically approved
Van den Born, R. J. .., Calderón Moya-Méndez, N., de Groot, M., Duong, N. T. .., Ganzevoort, W., van Heel, B. F., . . . de Groot, W. T. (2024). Testing the Biophilia Hypothesis Through the Human and Nature Scale on Four Continents. Ecopsychology
Open this publication in new window or tab >>Testing the Biophilia Hypothesis Through the Human and Nature Scale on Four Continents
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2024 (English)In: Ecopsychology, ISSN 1942-9347Article in journal (Refereed) Epub ahead of print
Abstract [en]

According to the biophilia hypothesis, humans have a fundamental tendency to affiliate with nature. If this hypothesis is true, large majorities of people should express a high level of nature-friendliness (a tendency to affiliate with nature), and this level should have low variability across cultures. We tested this proposition using the inter-culturally applicable Human and Nature (HaN) scale. We compare the outcomes from 12 previously published studies that applied the HaN scale on four continents and show that a high level of nature-friendliness was indeed detected in all countries. We also demonstrate that the cross-cultural variability of the nature-friendliness levels was as small as their within-culture variability. Jointly then, these 12 studies offer strong support for the biophilia hypothesis. We share implications that are valuable for policymaking as well as further theoretical development of human-nature relationship research, particularly around relational values with nature and ecological virtue ethics. 

Place, publisher, year, edition, pages
Mary Ann Liebert Inc., 2024
National Category
Other Natural Sciences
Identifiers
urn:nbn:se:ri:diva-76209 (URN)10.1089/eco.2024.0015 (DOI)2-s2.0-85209091885 (Scopus ID)
Available from: 2024-11-28 Created: 2024-11-28 Last updated: 2025-09-23Bibliographically approved
Hunka, A. D., Vanacore, E., Mellquist, A.-C. & Fuertes-Gine, L. (2023). How to increase the uptake of circular public procurement?: Lessons learned from local authorities in Sweden. Journal of Public Procurement, 23(2), 245-271
Open this publication in new window or tab >>How to increase the uptake of circular public procurement?: Lessons learned from local authorities in Sweden
2023 (English)In: Journal of Public Procurement, ISSN 1535-0118, E-ISSN 2150-6930, Vol. 23, no 2, p. 245-271Article in journal (Refereed) Published
Abstract [en]

Purpose: Circular procurement is assumed to foster innovation and influence demand for and supply of goods through criteria setting and dialogue with suppliers. However, even in countries placed at the forefront of sustainability practices such as Sweden, examples of procurement that can truly be considered to be circular are rare. This paper aims to examine circular public procurement practices in a selection of Swedish municipalities and regions through the lens of the Advocacy Coalition Framework. The authors propose a categorisation of municipalities by circular procurement uptake and identify factors that support the acceleration of the circular transition in Sweden. Design/methodology/approach: Using the key informant approach, the authors conducted semi-structured interviews with employees of seven municipalities, one region and one external procurement agency, as well as seven suppliers of various sizes. The authors also analysed procurement documents received from municipalities. Participating organisations represented a variety of Swedish local government structures and local conditions. Findings: The authors proposed a categorisation of circular procurement uptake. Notably, beginners differ from leaders in circular procurement, most importantly by the level of flexibility policy brokers have within their organisations and by policy brokers’ ability to accommodate changes that materialise between existing organisational structures and set routines. Social implications: The fragmented uptake of circular procurement poses a challenge for local businesses interested in implementing circular business models. It also both highlights and exacerbates inequalities in access to resources between sparsely populated, rural municipalities and more urbanised areas. Originality/value: Despite existing national government guidelines for the circular economy transition in Sweden, circular procurement is not fully realised at the local level. In this paper, the authors examine the Swedish experience with circular procurement and propose several steps to improve the uptake of circular procurement by the public authorities. The authors' findings concerning the role of policy brokers may well be generalised to similar socio-cultural contexts.

Place, publisher, year, edition, pages
Emerald Publishing, 2023
Keywords
Advocacy Coalition Framework, Circular economy, Circular public procurement, Green procurement, Policy change, Sweden
National Category
Public Administration Studies
Identifiers
urn:nbn:se:ri:diva-65696 (URN)10.1108/JOPP-08-2022-0039 (DOI)2-s2.0-85165435514 (Scopus ID)
Note

Correspondence Address: A. Hunka; Sustainable Business, RISE Research Institutes of Sweden AB, Gothenburg, Sweden;

This research was financially supported by the Swedish Research Council for Sustainable Development (FORMAS) under the project number 2019-02235: Realising Circular Economy in Society.

Available from: 2023-08-09 Created: 2023-08-09 Last updated: 2025-09-23Bibliographically approved
Bour, A., Budde Christensen, T., Hunka, A. D., Palmqvist, A., Skjold, E. & Syberg, K. (2023). Implications of circular textile policies for the future regulation of hazardous substances in textiles in the European Union. Science of the Total Environment, 896, Article ID 165153.
Open this publication in new window or tab >>Implications of circular textile policies for the future regulation of hazardous substances in textiles in the European Union
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2023 (English)In: Science of the Total Environment, ISSN 0048-9697, E-ISSN 1879-1026, Vol. 896, article id 165153Article in journal (Refereed) Published
Abstract [en]

The textile industry's business model is currently unsustainable and systemic changes must be made. The transition to a circular textile economy can be a major lever for this. However, it faces multiple issues, including the (in)ability of current legislations to provide sufficient protection regarding hazardous chemicals in recirculating materials. It is therefore crucial to identify legislative gaps that prevent the implementation of a safe circular textile economy, and to identify which chemicals could jeopardize this process. With this study, we aim to identify hazardous substances that could be found in recirculated textiles, to identify and discuss gaps in current regulations covering chemicals in textiles, and to suggest solutions to ensure better safety of circular textiles. We compile and analyze data on 715 chemicals and their associated functions, textile production stage, and hazard data. We also present how chemicals have been regulated over time and discuss regulations' strengths and weaknesses in the perspective of circular economy. We finally discuss the recently proposed Ecodesign regulation, and which key point should be included in the future delegated acts. We found that most of the compiled chemicals present at least one recognized or suspected hazard. Among them, there were 228 CMR (carcinogenic, mutagenic, reprotoxic substances), 25 endocrine disruptors, 322 skin allergens or sensitizers, and 51 respiratory allergens or sensitizers. 30 chemicals completely or partially lack hazard data. 41 chemicals were found to present a risk for consumers, among which 15 recognized or suspected CMR and 36 recognized or suspected allergens/sensitizers. Following the analysis of regulations, we argue that an improved risk assessment of chemicals should consider chemicals specific hazardous properties and product's multiple life cycles, instead of being limited to the product's end-of-life stage. We especially argue that implementing a safe circular textile economy requires that chemicals of concern are eliminated from the market.

Place, publisher, year, edition, pages
Elsevier B.V., 2023
Keywords
Chemical toxicity, Circular economy, Ecodesign regulation, Human health hazard, Risk assessment, Textile waste
National Category
Environmental Sciences
Identifiers
urn:nbn:se:ri:diva-65741 (URN)10.1016/j.scitotenv.2023.165153 (DOI)2-s2.0-85164664956 (Scopus ID)
Note

This work was supported by the Swedish Research Council for Sustainable Development [ Formas 2021-00446 ]

Available from: 2023-08-08 Created: 2023-08-08 Last updated: 2025-09-23Bibliographically approved
Vanacore, E., Fuertes Giné, L. & Hunka, A. (2023). Optimising Public Procurement Through Circular Practice: The Power of Intermediation. Circular Economy, 1(3)
Open this publication in new window or tab >>Optimising Public Procurement Through Circular Practice: The Power of Intermediation
2023 (English)In: Circular Economy, ISSN 2752-163X, Vol. 1, no 3Article in journal (Refereed) Published
Abstract [en]

The public sector is a key economic player in society with a significant purchasing power and therefore has the potential to promote societal change while maintaining a degree of control over use of public funds, transparency and fairness. However, current public procurement processes largely result in purchasing products and services through a generally more pre-planned and rigid type of process. In this paper we argue that the current public procurement process is not “fit for purpose” for a transition to large-scale circular public procurement which aims to optimise value retention. In order to overcome this, we propose a conceptual framework that could support public organisations in aligning the procurement processes and structures with the value propositions of their own operations. We suggest that intermediation is the key enabler for a transition to a more circular economy by stimulating innovation in public procurement and with an ecosystem perspective.

National Category
Economics and Business
Identifiers
urn:nbn:se:ri:diva-72088 (URN)10.55845/gxgr4467 (DOI)
Available from: 2024-02-29 Created: 2024-02-29 Last updated: 2025-09-23Bibliographically approved
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Identifiers
ORCID iD: ORCID iD iconorcid.org/0000-0002-6323-2840

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