Jointly Contract of Buy Back and Pricing Flexible for Supply Chain Coordination under Price Changing on Demand

The supply chain contracts are an essential methodology to the coordination of supply chain.This paper focuses on the jointly contracts of Buy Back and Pricing Flexible to study coordination mechanisms in a supply chain.In the fix price case,buy back contracts play an important role to collaborate supply chain system 's profit.In the price setting case,however,it is difficult to realize perfect coordination.In this paper,we investigate the model of jointly contracts by the analysis partier 's expected profits of three scenarios.The first is whole sale contracts.The second is under the adoption of buy back contracts.The third is under the adoption of jointly contract of buy back and pricing flexible.In doing so,we illustrated the benefit of the joint adoption contracts to the coordination of supply chain and flexible the arrangement of profits between suppliers and retailers.