不可靠供应下的风险厌恶采购单阶段模型

被引:4
作者
舒磊 [1 ,2 ,3 ]
吴锋 [1 ,2 ,3 ]
机构
[1] 西安交通大学管理学院
[2] 西安交通大学过程控制与效率工程教育部重点实验室
[3] 西安交通大学西安交通大学管理教学实验中心(国家级实验教学示范中心)
关键词
供应风险; 库存策略; 期望效用;
D O I
暂无
中图分类号
F274 [企业供销管理];
学科分类号
1201 ;
摘要
不可靠供应问题在经济全球化进程中日益重要,相关研究大多基于风险中性假设,低估了供应风险。从风险厌恶型采购商出发,建立了基于指数效用函数的单阶段采购模型。数学上证明了最优采购量存在且唯一,并给出了解析解;从实际需求的角度证明了库存策略应对供应风险的有效性;发现最优期望效用与最大供应比例无关,严格递减于供应价格,为供应商选择奠定了基础。通过算例分析了供应价格、风险厌恶程度和需求等参数的影响。模型可拓展性良好,对供应风险管理具有较好的现实指导意义和较高的理论价值。
引用
收藏
页码:602 / 609
页数:8
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