Sieger, PhilippPhilippSieger2023-04-132023-04-132011https://www.alexandria.unisg.ch/handle/20.500.14171/95434enFamily firmsentrepreneurshipentrepreneurial orientationpsychological ownershipLong-term Success of Family Firms: Investigating Specific Aspects of Firm-level Entrepreneurship and Individual-level Antecedentsdoctoral thesis