Abstract
In a highly integrated supply chain system, the trade-off between after-sale service and product quality becomes an important consideration in establishing and maintaining a sustainable supply chain partnership. To this end, we proposed an underlying decentralized supply chain network (DSCN) equilibrium model for service-quality coordination under capacity constraints and demand uncertainty. The proposed DSCN model is compared with centralized supply chain network (CSCN). Then, the buyback contract is introduced to coordinate the DSCN. After the implementation of supply chain network equilibrium (SCNE) in numerical examples, we obtain the equilibrium solution of the proposed model. The result shows that, compared with DSCN, CSCN does not always provide better service or product quality. Moreover, by introducing the buyback contract, the equilibrium profits of DSCN are improved, so that the Pareto improvement occurs. Our findings can provide useful analytical frameworks and implications for how to coordinate after-sale service, product quality, selling price, and product ordering decisions in the supply chain network simultaneously.
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