Managing Disruptions in Decentralized Supply Chains with Endogenous Supply Process Reliability

被引:194
作者
Tang, Sammi Y. [1 ]
Gurnani, Haresh [1 ]
Gupta, Diwakar [2 ]
机构
[1] Univ Miami, Sch Business Adm, Coral Gables, FL 33146 USA
[2] Univ Minnesota, Dept Ind & Syst Engn, Minneapolis, MN 55455 USA
关键词
supply disruption; process improvement; incentive mechanism; dual sourcing; ASSEMBLY SYSTEMS; DIVERSIFICATION; PERFORMANCE; INFORMATION; COMPETITION; GLITCHES; DESIGN; YIELD; RISK;
D O I
10.1111/poms.12160
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Supply disruptions are all too common in supply chains. To mitigate delivery risk, buyers may either source from multiple suppliers or offer incentives to their preferred supplier to improve its process reliability. These incentives can be either direct (investment subsidy) or indirect (inflated order quantity). In this study, we present a series of models to highlight buyers' and suppliers' optimal parameter choices. Our base-case model has deterministic buyer demand and two possibilities for the supplier yield outcomes: all-or-nothing supply or partial disruption. For the all-or-nothing model, we show that the buyer prefers to only use the subsidy option, which obviates the need to inflate order quantity. However, in the partial disruption model, both incentives-subsidy and order inflation-may be used at the same time. Although single sourcing provides greater indirect incentive to the selected supplier because that avoids order splitting, we show that the buyer may prefer the diversification strategy under certain circumstances. We also quantify the amount by which the wholesale price needs to be discounted (if at all) to ensure that dual sourcing strategy dominates sole sourcing. Finally, we extend the model to the case of stochastic demand. Structural properties of ordering/subsidy decisions are derived for the all-or-nothing model, and in contrast to the deterministic demand case, we establish that the buyer may increase use of subsidy and order quantity at the same time.
引用
收藏
页码:1198 / 1211
页数:14
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