Tóm tắt: The rapid improvement in production technology over the last two decades has reduced the difference in quality of products produced by competitors. This has resulted in a paradigm shift in the outlook of firms from a product-centric view to a more customer-centric view. Consequently, after-sales service or warranty is high on the agenda of firms in a service supply chain. In general, firms offer service contracts that guarantee a quick turnaround time for repair of faulty components, while ensuring ...