The article analyses in detail some institutions of particular relevance in terms of contracts and subcontracts: the discipline of joint and other liabilities between the client, contractor and subcontractor. This issue is in constant evolution, like that of the c.d. minimal salary of production and work of working members in cooperatives; this is very timely after the ruling of the Constitutional Court. 51 of 2015 on the theme. The need for analysis and study of these institutions emerged during some training sessions with leaders, delegates and union officials held during 2015: it was research-action built from discussed and analysed concrete cases, which allowed an insight into the daily problems faced by those who have a difficult time fighting unpaid work and new invasive forms of lower wage competition.
Keywords: Contract, Cooperative, Associate-employee, Minimum Wage :
Jel Code: J31, J54, K31