“…Against this background, in this study we choose a single case study approach which, as qualitative research methods in general, is particularly suitable when there is little prior knowledge about a phenomenon in practice (Darke et al, 1998;Eisenhardt & Graebner, 2007). While multi case studies are often used as a basis to generalize practical results and abstract scientific findings, there are also good reasons to conduct a single case study (Lis et al, 2022;Zrenner et al, 2019). These reasons are the possibility to study a complex phenomenon, in a more detailed and focused way, in contrast to the study of several cases (Gerring, 2006).…”