Sharif Digital Repository

In this study vendor-managed inventory policy in supply chains is investigated and a formulation is developed to optimize replenishments from vendor to retailer and also price for negotiator customers. As a result, we consider a two echelon supply chain containing a vendor and a retailer managed according to VMI policy. The goal is to find the optimal replenishment from vendor to retailer at the beginning of the month and by using dynamic programming approach to maximize the supply chain profit. Demand is nondeterministic and it is supposed Poisson distribution with unknown parameter. We will consider Gamma distribution for this parameter which its parameters are learning in dynamic...