The enterprises no fear sacrificing profits to keep or enhance the market shares, such as www.JD.com. It means the downstream need order more and sell more. The previous buyback contract literature research is the problem solving solution, all assume the supplier and retailer both are profit oriented and achieve supply chain coordination and Pareto optimality. In this article, we research the supplier is a leader and sales oriented, the retailer is the follower and the profit oriented. And the retailer is required order more than his optimal quantity Analyze the two ways, the enhancing the buyback price or reducing the wholesale price. In the analysis results, the buyback contract parameters are limited by the retained earnings of the sales oriented supplier and the market demand distribution. Numerical examples are given to illustrate contract parameters how to affect the supply chain coordination, the order quantity of the retailer and the profit of the supply chain.
Keywords-the buyback contract, marketing strategy, supply chain coordinationI.