The coordination of companies in the supply chain (SC) is a pillar of achieving better overall performance. Although often studied, research does not usually take into account the influence of the relationships amongst companies in the supply chain. Marcotte et al. [1] propose a collaborative...

This communication presents a method to support the customer in the choice of a procurement plan when the gross requirements are ill-known, in a context of collaboration with the supplier. A general model of imperfect parameter representation is suggested, imperfection gathering uncertainty...