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Supply Chain Management; Reuse Closed-Loop Supply Chains; Ex-Demonstration Product Returns; Time-Sensitivity; Continuous Time Transportation Problem Application
Some manufacturers demonstrate their products so that customers can gain experience before making a purchase. The authors present a novel application of a closed-loop supply chain where product returns from demonstrations of high-end IT equipment are substantial and the major delay in the system is due to the long demonstration time at the client sites. In addition, the product lifecycle is short and the value erodes rapidly over time, with steep drops in the resale revenue when new product generations are introduced.The authors present a finite lifecycle model that captures the key trade-offs in this environment, that is, either to reuse a collected ex-demo product for a next demonstration or to salvage its residual value in the secondary market and use a new product to satisfy the next demo request.The authors derive two cost/revenue signals that enable them to distinguish between fast and slow value erosion. The authors show that the fast/slow erosion decision is dynamic and depends on the rate of value erosion and the length of the demonstration time.The authors analyze the optimal demo pool strategies and show that in the case of fast erosion it may be better to postpone reuse activities until later in the lifecycle. The authors illustrate their model using empirical data from a large IT manufacturer and formulate several guidelines so as to better manage high value ex-demonstration product returns.