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针对由多个互补性零部件供应商和单个制造商构成的组装供应链,研究了制造商持股供应商情形下,组装供应链的协调问题.首先,给出了批发价格契约下各节点企业的最优策略,分析发现:若制造商的股权投资可实现各零部件生产成本的降低,制造商的最优订货量随其对任一供应商的持股比例增加而增加,但小于集中化决策情形下的最优订货量.然后,引入回购策略,设计了协调契约,并指出供应商通过该协调契约可实现各节点企业期望利润的帕累托改进.
Aiming at the assembly supply chain composed of multiple complementary parts suppliers and individual manufacturers, the coordination problem of assembly supply chain under manufacturer-owned suppliers is studied.Firstly, The optimal strategy is as follows: if the manufacturer’s equity investment can reduce the production cost of each component, the optimal order quantity of the manufacturer increases with the increase of its shareholding ratio to any supplier, but less than the centralized The optimal order quantity under the situation of decision-making.Secondly, by introducing the repo strategy and designing the coordination contract, it is pointed out that the supplier can realize the Pareto improvement of the expected profit of each node enterprise through the coordination contract.