production system in terms of either delivery time or setup related costs. Based on a queueing network, a model is developed for … into account various sources of uncertainty, both in demand as well as in production characteristics. In addition, the … the debate on the convexity between lot size and lead time in a complex production environment. We show that differential …

supply chains. This paper considers a manufacturing system in which a single manufacturer procures raw materials from a …'s production cycle is imperfect where the production uptime and cycle time are not exact integer multiples of the shipment interval … procurement and production. It is found that the total cost under imperfect matching is always lower than or equal to that under …