Research on supply chain information sharing value creation mechanism and sharing contract

This paper analyzed the value created by supply chain information system composed with a supplier and a retailer. Considering variable lead time, changing the assumption that information sharing is a given condition in Lee´s (2000)research, lead in cost factor as supply chain member invested information system, analyze the cost factor changing characters, make the study subject is more close to reality. The research showed that, supply chain members, by using a imperfect but effective sharing contract on information system investment income, can achieve the whole supply chain pareto optimal, and the information system create the greatest value of supply chain.