Pricing Incentive Strategy Of Information Sharing In Supply Chain Under The Condition Of A Sort Of Non-linear Demand Functions

The competition between corporations has evolved into the competition between supply chains with the economical globalization and the intensification of market competition. Information is the solid base for Supply Chain Management(SCM), because it offers supply chain managers decision-making support and establish a uniform concordant and concerted supply chain through close linking with drive factors of a supply chain. If realization of real-time effective information sharing during enterprises on a supply chain makes enterprise's operation gain synchronization and consistency, there may be most efficiency and least cost in supply chain system and goals of SCM are realized. Assuming that there is Cournot game between retailers, and Stackelber game between retailers and manufacturers, optimal pricing strategies are raised under condition of linear demand and non-linear demand, when there is information sharing and no information sharing, analysis indicate that benefits of enterprises whicn are in union are better than enterprises which are not in union. And then the price lever is raised to promote information sharing in supply chains. main contents are as follows:(1) When it is linear demand and there is no information sharing, through the establishment of a two-level supply chain model, which contains one manufacturer and many retailers, the text obtain the optimal orders of retailers and manufacturer's pricing strategy.(2) Given that linear demand is just a special case, the application of these conclusions have certain limitations, based on what said above, the text obtain the optimal pricing strategy of manufacturer, when Price elasticity of demand is a constant.(3) When there is information sharing in supply chain, manufacturers make a price strategy to different retailers, according to whether participate in information-sharing or not. the text obtain the optimal pricing strategy based on Cournot model.(4) Expanding price discrimination under linear demand to the situation that price elasticity of demand is a constant. Taking the maximum of the enterprises' benefits as the goal, the text obtain the optimal pricing strategy of manufacturer. Through analyzing equilibrium from retailers'benefits, manufacturers'benefits, and social benefits, also get conclusion that retailors in the union have absolute advantages.Price discrimination can increase profits of retailers which are in the union, also can reduce profits of retailers which are not in the union, so it can incentive information sharing in supply chains effectively, and format scale effect finally, consumers also can benefit from it.