Research on Supplier Multistage Evaluation Considering Discount Rate

With the increasing importance of building partnership in supply chain, it is more important for core enterprise to evaluate suppliers in the long run multistagely. Considering discount rate, the paper researches the group decision-making method of AHP multistagely, brings forward the concept of weight-vector with discount rate (WVDR) and the concept of synthetical weight-vector with discount rate (SWVDR). More, the paper brings out a concept of consensus degree and a frame of interactive decision-making with consensus degree for supplier multistage evaluation considering discount rate. In the end, an example of supplier evaluation is offered and the result is satisfactory.