Measuring supply chain flexibility and selecting supplier based on supply contract

This paper focuses on the flexibility of supply chain, and briefly reviews concept and different aspect of SC flexibility. Uncertainty in the supply process raises the issue of flexibility, where the supply lead-time and demand quantity are the two most common changes occurring in supply chain, the author applies fuzzy set theory to give the representation for those variables. Then model the supply chain flexibility based on supply contract. Besides it, develops a supplier selection method. Finally, an illustrative example is given for demonstration.