Quality Guarantee Decision and Coordination of Service Supply Chain with Cost Disruption
Cost Disruption inevitably breaks the equilibrium of the service supply chain,and service quality guarantee as an effective strategy to attract customers is affected by it.In the volatile economic climate,original quality guarantee should be modified to alleviate the negative impact of cost disruption on a service supply chain.The majority of the existing researches into cost disruption just focus on product supply chains,and only a few pay attentions to service supply chains,which all ignore the coordination with cost disruption.The gap between theoretical research and management practice indicates that it is imperative to analyze quality guarantee and coordination in service supply chains with cost disruption.Therefore,quality guarantee is taken into consideration in this paper.A service supply chain system consisting of a provider and an integrator is constructed.The equilibrium decisions of service supply chain are analyzed before and after the integrator's cost disruption under centralized and decentralized decisions.Furthermore,the revenue-sharing contract is designed to coordinate the service supply chain with cost disruption.The results show that(a)when the disruption is small,the service price,quality guarantee level and service capacity are robust;when the positive disruption is big,the service price increases,the quality guarantee and service capacity decrease;when the negative disrup-tion is big,the service price decreases,the quality guarantee and service capacity increase.(b)If the positive disruption is big,the integrator is willing to adjust original decisions;if the negative disruption is big,the provider is willing to adjust original decisions.(c)The profits for centralized supply chain and integrator vary according to the change of cost,while provider's profit has certain robustness.(d)The revenue-sharing contract can coordinate the service supply chain before and after the cost disruption,and achieve Pareto optimal-ity.In this paper,quality guarantee is introduced into the research of service supply chain with cost disruption,and expands related research,which has certain theoretical value and practical significance.
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