Currently, self-optimizations among participants lead to low efficiency in the entire supply chain. Due to the lack of mutual constraint organizations, thus participants take nodes contracts as the implementation basis for supply chain management. This paper starts with the coordination and current status of contract design in supply chain, and then analyzes its characteristics and applicable nodes. Furthermore, the article explores the merits and drawbacks of independent contract design by calculating the expected return function of each node. Finally, it raises the combination contract theory of supply chain node, and designs combinations contract among supply chain nodes.
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