Sustainable Trade Promotions in Case of Negative Demand Disruption in E-Commerce

In this research, we examine the impact of a negative demand disruption on trade promotions strategy, where suppliers offer discounted prices to online supply chain retailers. To analyze various factors that affect promotion strategies, develop Stackelberg game model determine optimal pricing for both manufacturers and retailers, as well order quantity Our findings indicate through an appropriate sustainable policy, profit chain’s members can be increased in different scenarios, including product disposal costs time delivery. addition policies, consider new strategy manufacturer assists retailer by paying some part delivery cost. Then, compare these strategies which approach leads highest manufacturer, retailer, integrated under intensities disruption.