Funding for this research was provided by:
Universität Bayreuth
Article History
Received: 9 February 2023
Accepted: 13 June 2024
First Online: 19 July 2024
Declarations
:
: Ethical approval for the conduction of expert interviews during this study was obtained from the Ethics Committee of the University of Bayreuth. Kai Purnhagen is a member of the Ethics Committee of the University of Bayreuth. The authors declare that he was not involved in the Committee’s approval procedure at any stage and that his role was restricted to an applicant during the whole process.
: All interview participants were informed about and consented to the scientific and academic purposes of the conducted interviews.
: Kai Purnhagen is a member of the editorial board of the Journal of Consumer Policy. The authors declare that no other competing interests exist.