Chen, Junlin; Zhao, Xiaobo; Zhou, Yun - In: European Journal of Operational Research 219 (2012) 2, pp. 312-323
We consider a periodic-review inventory system with two suppliers: an unreliable regular supplier that may be disrupted for a random duration, and a reliable backup supplier that can be used during a disruption. The backup supplier charges higher unit purchasing cost and fixed order cost when...