Research on Supply Chain Buyback Contracts Based on Bargaining Game

A supply chain constructed by a supplier and a retailer is analyzed.After uncertainty demand is realized,the members of the supply chain can bargain over contracts,which are underwritten in the beginning period,in order to reallocate the sum of profit.Firstly comparing to under the decentralized system,under the decentralized system based on bargaining game,bargaining power can reduce the supplier's profit,the system's and the retailer's profit fluctuating trend depends on the magnitude of bargaining.Secondly comparing to under the buyback system,under the buyback system based on bargaining game,if the buyback price of product is bargained,the buyback contracts underwritten in the beginning period are bargaining-proof;if the wholesale price of product is bargained,whether the buyback contracts are bargaining-proof lies on the magnitude of bargaining power.