“…the unity of the workplace (the workshop, the factory, the office), unity of working time (weekly working hours, rest periods) and unity of action (the collective organization of work), this model now seems to be in crisis with globalization, technological change, transformations in the organization and functioning of companies, the relaxation of labor legislation in favor of the employer and successive reforms of the social protection system (unemployment, retirement, etc. ), perceived as disadvantageous to employees (Bernier et al, 2003;Bouffartigue et al, 2018;Castel & Zecca, 1995;Gautié, 2003;Mazuyer, 2013), call into question the promises of security and economic progress of wage employment (the disengagement of firms from employees). On the other hand, a disengagement of employees has also developed, with more and more employees no longer wanting a long-term or overly constraining commitment to a company, preferring to build a career by changing jobs regularly.…”