We propose a closed-loop supply chain system that incorporates a trade-in program and refurbishment service simultaneously. Through the trade-in program, retailers collect used old-generation products from customers and provide them with new-generation products at a discount price. It helps to acquire the additional products required for the refurbishment service. The proposed integrated system could be useful to retailers selling the smartphone which has a high potential in emerging markets. We approximate the multistage stochastic optimization model to the robust counterpart which features a second-order cone program. Computational results provide managerial insights that could be beneficial to the retailer.

我们提出了一个闭环供应链系统，该系统同时包含以旧换新计划和翻新服务。通过以旧换新计划，零售商可以从客户那里收集用过的旧产品，并以折扣价为他们提供新产品。它有助于获取翻新服务所需的其他产品。提议的集成系统对于销售在新兴市场具有巨大潜力的智能手机的零售商可能很有用。我们将多阶段随机优化模型近似为具有二阶锥规划的鲁棒对等模型。计算结果提供了可能对零售商有利的管理见解。