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Managing product variety in inventory and service operations.

机译:管理库存和服务运营中的产品种类。

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摘要

The recent explosion in product variety has created a need for better managerial understanding and management tools. Empirical research suggests that higher product variety results in higher costs, with a large part of these costs resulting from higher relative demand uncertainty. The dissertation addresses the problem of managing product variety when products and services are substitutes. Researchers have recognized that in many situations products and services offered to customers may be substitutes for one another. In cases of physical goods, a customer may choose to substitute an out-of-stock product with a similar one (customer-directed substitution). In cases of services, a company may decide to offer upgrade customers who can not be served due to insufficient capacity (company-directed substitution).;First, we consider a static single-period model where customers can select an alternative product (substitute) from a given product-line in case their first-choice product is out of stock. Substitution may occur within a product line offered by one retailer, as well as between products offered by different retailers. We consider both situations within one framework.;We extend the customer-directed substitution problem by analyzing dynamic multi-period competition between two retailers offering substitute products. In a multi-period setting, a new problem arises: if competitors offer substitutable products, the customer may decide to backorder the missing product with the first company she visits, switch to a competitor, or leave. Hence, customer backordering behavior greatly affects inventory decisions and the resulting profitability. We analyze several plausible backordering scenarios and also address situations in which the company can influence customers' backordering behavior by offering economic incentives.;Finally, we analyze the problem of managing product variety under company-directed substitution in services. We consider situations where the company may choose to upgrade the customer (as car rental companies and airlines often do). We look at the problem of optimal capacity investment when single-level upgrades are allowed. We find the optimal capacity decisions, and provide an in-depth analysis of the impact that demand correlation has on the optimal capacity decision.;Throughout the dissertation we demonstrate the advantages of accounting for substitution when allocating limited resources.
机译:最近产品种类的激增,产生了对更好的管理理解和管理工具的需求。实证研究表明,较高的产品种类会导致较高的成本,其中大部分成本是由于较高的相对需求不确定性导致的。论文解决了产品和服务替代时产品品种管理的问题。研究人员已经认识到,在许多情况下,提供给客户的产品和服务可能会彼此替代。如果是实物商品,客户可以选择用类似的商品替代缺货的商品(客户指定的替代品)。在提供服务的情况下,公司可能会决定向因容量不足而无法提供服务的升级客户提供服务(公司定向替换)。首先,我们考虑一个静态的单周期模型,客户可以在其中选择替代产品(替代)如果他们的首选产品缺货,请从给定的产品系列中进行选择。替代可能发生在一个零售商提供的产品系列内,也可能发生在不同零售商提供的产品之间。我们在一个框架内同时考虑了这两种情况。我们通过分析两个提供替代产品的零售商之间的动态多周期竞争,扩展了以客户为导向的替代问题。在多时期的情况下,出现了一个新问题:如果竞争对手提供可替代产品,则客户可能决定向所参观的第一家公司补货缺失的产品,转而竞争或离开。因此,客户的缺货行为极大地影响了库存决策和由此产生的获利能力。我们分析了几种可能的延期交货情况,并解决了公司可以通过提供经济激励措施影响顾客的延期交货行为的情况。最后,我们分析了在公司主导的服务替代下管理产品品种的问题。我们考虑公司可能会选择升级客户的情况(如汽车租赁公司和航空公司经常这样做)。我们研究允许单级升级时的最佳容量投资问题。我们找到了最优容量决策,并深入分析了需求关联对最优容量决策的影响。全文中,我们展示了分配有限资源时考虑替代的优势。

著录项

  • 作者

    Netessine, Serguei.;

  • 作者单位

    University of Rochester.;

  • 授予单位 University of Rochester.;
  • 学科 Management.;Commerce-Business.;Accounting.
  • 学位 Ph.D.
  • 年度 2001
  • 页码 154 p.
  • 总页数 154
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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