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现实中销售商需要把信用期和批量一样当作决策变量。本文把卖方定位为生产过程中存在学习效应的非完美生产制造商,一是考虑需求同时受信用期和销售价格的影响;二是考虑商业信用给制造商带来机会成本和违约风险,站在制造商的视角构建了制造商的信用期和生产批量优化模型。通过定理证明了在一定条件下,模型存在唯一的最优解并用算例验证了模型的可行性和合理性。最后通过对参数进行灵敏度分析,得出制造商生产过程中的学习能力越强,给予下游购买商的信用期越长、生产批量越大、企业利润越高等结论。
In reality, sellers need credit period and batch as decision variables. In this paper, the seller is positioned as a non-perfect manufacturer with learning effect in the production process. The first is to consider the demand by the credit period and the sales price. The second is to consider the commercial credit to bring the opportunity cost and the risk of default, The manufacturer’s perspective builds the manufacturer’s credit period and production lot optimization model. The theorem proves that under certain conditions, there exists a unique optimal solution to the model and an example is given to verify the feasibility and rationality of the model. Finally, through the sensitivity analysis of the parameters, it is concluded that the stronger the learning ability, the longer the credit period to the downstream buyers, the larger the production lot and the higher the profit of the manufacturer.