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extended warranty STRATEGIES FOR ONLINE SHOPPING SUPPLY CHAIN WITH COMPETING SUPPLIERS CONSIDERING COMPONENT RELIABILITY

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Journal of Systems Science and Systems Engineering 2017年第6期26卷 753-773页

作者： Xinghong Qin Qiang Su Samuel H. Huang School of Economics and Management Tongji University Shanghai China School of Business Planning Chongqing Technology and Business University Chongqing China Department of Mechanical and Materials Engineering University of Cincinnati Cincinnati USA

This article presents the issue of extended warranty and management strategies in a three-echelon competing online shopping supply chain with price- and base warranty period-dependent demand. We employ game theory to develop decision models to explore the interactions between component suppliers and the manufacturer, as well as competition between two component suppliers. Products and extended warranty are sold by an online store, which is the leader in the Stackelberg game. Two scenarios are considered： either the manufacturer offers a prepaid extended warranty to customers or doses not. In each scenario, base warranties are assumed to be bundled with products. Our results show that when the manufacturer＇s repair costs change in a proper range, providing extended warranty can benefit both the manufacturer and the online store; otherwise, the manufacturer has no incentive to offer the extended warranty. Reducing repair costs, improving component reliability, or shortening the base warranty period allows the manufacturer to realize significantly better value of the extended warranty. High component reliability benefits both the manufacturer and the online store, with the manufacturer reaping more benefit. Extending the length of the base warranty adversely affects profit of the manufacturer and the value of the extended warranty.

关键词： extended warranty online shopping supply chain game theory online shopping

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Coordinating an extended warranty Supply Chain under Increasing,Constant and Decreasing Product Failure Rates

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Journal of Systems Science and Systems Engineering 2020年第5期29卷 609-628页

作者： Yuwen Chen Jin Qin Tongdan Jin Yating Chen School of Management University of Science and Technology of ChinaHefei 230026China Department of Information Systems City University of Hong KongKowloon 999077Hong KongChina Ingram School of Engineering Texas State UniversitySan Marcos TX78666USA

A product typically exhibits three different failure rates across its lifetime:increasing,decreasing,or *** paper studies how the characteristics of failure rate impact the supply chain coordination for an extended warranty program involving a manufacturer and a retailer.A two-stage Stackelberg game is utilized to model the interaction between these two *** extended warranty channel structures are compared depending on whether the manufacturer or the retailer offers the warranty *** analysis shows that the failure rate trend during the warranty period has different effects on the coordination of the service supply *** a product has an increasing or constant failure rate,the optimal length of extended warranty offered by the retailer is longer than that of the manufacturer,while the optimal length is shorter for a product with a decreasing failure *** a product during the warranty coverage has an increasing or constant failure rate,a longer extended warranty period will motivate customers to buy the product without the warranty,whereas more customers will buy both the product and the warranty if the product experiences a decreasing failure *** is concluded that,if the manufacturer and the retailer incur the same warranty service cost,the total profit in the supply chain is higher when the manufacturer offers the extended *** the game participants'perspective,the one which sells the extended warranty will obtain more profit.

关键词： Supply chain coordination extended warranty failure rate warranty policy game theory

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Optimal replacement policy of products with repair-cost threshold after the extended warranty

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Journal of Systems Engineering and Electronics 2017年第4期28卷 725-731页

作者： Lijun Shang Zhiqiang Cai School of Mechanical Engineering Northwestern Polytechnical University Xi’an 710072 China

The reliability of the product sold under a warranty is usually maintained by the manufacturer during the warranty period. After the expiry of the warranty, however, the consumer confronts a problem about how to maintain the reliability of the product. This paper proposes, from the consumer's perspective, a replacement policy after the extended warranty, under the assumption that the product is sold under the renewable free replacement warranty (RFRW) policy in which the replacement is dependent on the repair-cost threshold. The proposed replacement policy is the replacement after the extended warranty is performed by the consumer based on the repair-cost threshold or preventive replacement (PR) age, which are decision variables. The expected cost rate model is derived from the consumer's perspective. The existence and uniqueness of the optimal solution that minimizes the expected cost rate per unit time are offered. Finally, a numerical example is presented to exemplify the proposed model.

关键词： extended warranty cost threshold minimal repair cost-based replacement age-based replacement

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warranty STRATEGY IN A SUPPLY CHAIN WHEN TWO RETAILER'S extended WARRANTIES BUNDLED WITH THE PRODUCTS

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Journal of Systems Science and Systems Engineering 2015年第3期24卷 364-388页

作者： Yiwen Bian Shuai Yan Wei Zhang Hao Xu SHU-UTS SILC(Sydney Institute of Language & Commerce) Business School Shanghai University School of Management Zhejiang University School of Business Anhui University

We in this paper examine warranty strategy in a two-stage supply chain consisting of a manufacturer and two competing retailers. The manufacturer produces two substitute products and markets them through the two retailers to a group of consumers, respectively. For each type of products, the manufacRtrer＇s base warranty and a retailer＇s extended warranty are bundled with the product. We use game theoretic models to explore the interactions between the two types of warranties and the competition between the retailers. For this purpose, two scenarios are considered： no retailer and both the two retailers providing the extended warranties, respectively. In each scenario, the manufacturer＇s base warranties are assumed to be offered. Our results show that when the retailers offer their extended warranties, the manufacturer has no incentive to offer the base warranties; otherwise, the manufacturer has to provide the base warranties. The competition between retailers in terms of the product substitutability has no impact on warranty decisions, but affects all players＇ profits in the supply chain. The manufacturer can provide a longer warranty length and higher customer welfare to a customer than the retailers do, if it is more efficient than the retailers in warranty cost-efficiency, and vice versa.

关键词： Base warranty extended warranty supply chain competition.

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基于延伸售后保证的第三方物流运作模式

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物流管理 2012年第12期

作者：计国君李雨芹

提出将延伸售后服务保证外包于第三方物流，并构建了最优化模型。发现：在延伸售后服务市场中，应根据消费者价值采取不同的延伸售后保证策略；对制造商和第三方物流服务提供商的成本进行对比的结果表明，将延伸售后保证服务外包给第三... 详细信息

提出将延伸售后服务保证外包于第三方物流，并构建了最优化模型。发现：在延伸售后服务市场中，应根据消费者价值采取不同的延伸售后保证策略；对制造商和第三方物流服务提供商的成本进行对比的结果表明，将延伸售后保证服务外包给第三方物流服务提供商可有效降低制造商的成本，同时可增强第三方物流服务提供商的综合竞争能力。最后探讨了延伸售后保证外包于第三方物流服务提供商的运作模式。

关键词：延伸售后保证第三方物流售后服务 extended warranty third party logistics after-sales service

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