| Food safety economists have raised numerous questions according to the emergence and the multiplication of safety quality management system within the food supply chain. However, few research deal with the voluntary implementation by firms of these systems (Segerson, 1999; Venturini, 2003; Noelke- Caswell, 2000). Our paper aims to develop a unified analytical framework of these research. We obtain three results. First, in a market model when the mandatory threat is strong, the voluntary adoption of safety measures is an equilibrium without need of the cost differential assumption (Segerson, 1999) nor of a reputation effect (Venturini, 2003). Second, when the mandatory threat is weak the reputation effect and the rule of liability could induce the voluntary... |
