Baltensperger, ErnstErnstBaltenspergerDermine, JeanJeanDermine2024-10-252024-10-251987https://boris-portal.unibe.ch/handle/20.500.12422/160962en300 - Social sciences, sociology & anthropology::330 - Economicsarticle10.7892/boris.11518010.2307/1344553