Lopes, Margarida Chagas2021-11-302021-11-301991Lopes, Margarida Chagas. 1991. "Mudança de empresa em ciclo de vida (Esboço de um projecto de investigação)". Instituto Superior de Economia e Gestão - DE Working papers nº 12-1991/DEhttp://hdl.handle.net/10400.5/22598The main purpose of this draft consists of the analysis of the role played by changing firm during the process of constitution of the workers qualification, throught learning by doing all allong working life cycles. Some conclusions for Portugal were made possible on the basis of some pannel data and are also presented.porOrganization of CompaniesHuman CapitalProfessional QualificationWorking Life CyclesPortugalworking paper