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Article History

Received: 22 May 2025

Accepted: 5 June 2026

First Online: 14 June 2026

Declarations

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: The data collection involved no experimental manipulation or deception, and all respondents gave informed consent at the time of participation. Participants retained the right to withdraw from the study at any time without penalty. The survey was conducted in accordance with industry-standard ethical guidelines in place at the time, which did not require formal approval by an institutional review board or ethics committee for non-invasive, anonymized, and voluntary survey research conducted by private organizations. No personally identifiable information was made available to the authors. We, the researchers, did not collect the data and were granted access to fully anonymized responses, no additional ethical approval was required for the secondary use of this dataset.

: D.L. declares to be a member of several scientific associations including EAERE (European Association of Environmental Resource Economics), EAAE (European Association of Agricultural Economics), Gewisola (German Association of Agricultural Economics), IBPPA (International Behavioral Public Policy Association). He has also received funding from the German Research foundation (DFG) and the Federal Ministry of Food and Agriculture in Germany (BMEL). PvP reports receiving research funding from Germany’s Federal Ministries of Food and Agriculture (BMEL) and Education and Research (BMBF), as well as travel costs and speaker and manuscript fees from the German and Austrian Nutrition Societies (DGE and ÖGE), the German Diabetes Society (DDG) and the German Obesity Society (DAG). The other authors declare no conflicts of interest related to this manuscript.