Inventory management and transportation issues are very important problems in distribution companies. Simultaneous l optimization of these problems realizes significant savings for all partners of the supply chain. One of the problems that should be addressed in the scope of simultaneous sl optimization is the inventory routing problem (IRP). IRP deals with how to manage the supply goods from o...

In this paper we study an assembly system which supplies an end-product inventory. We allow assembly operation times to be G.I. distributed and analyze the system as a Markov renewal process, deriving a closed-form expression for long-run Palm probabilities of both kit and end-product inventory positions. We then present a numerical procedure to obtain various performance measures using the mat...

Many companies have automated their inventory management processes and rely on an information system in critical decision making. However, if the information is inaccurate, the ability of the system to provide high availability of products at the minimal operating cost can be compromised. In this paper, analytical and simulation modelling demonstrate that even a small rate of stock loss undetec...

The deal for industrial companies is to satisfy their customers with the best quality, the most reliable lead times, and the lowest costs. One of the keys to achieve it is in the inventory control in the Supply Chain. Moreover, it is mandatory to possess necessary components in order to produce the requested products by the due date. But, as the components lead time is an unpredictable paramete...

We study a multi-echelon joint inventory-location model that simultaneously determines the location of warehouses and inventory policies at the warehouses and retailers. The model is formulated as a nonlinear mixed-integer program, and is solved using a Lagrangian relaxation-based approach. The efficiency of the algorithm and benefits of integration are evaluated through a computational study.

The International Financial Reporting Standards (IFRS) No. 2 has been the worldwide accounting principle for the reduction of inventory to market allowance since January 1, 2005. Using make-to-stock manufacturing strategies and inventory accounting for only approximately 14% of the total costs, integrated device manufacturers have found maintaining robust records for financial statements increa...

We study the location-inventory model as introduced by Teo et al. (2001) to analyze the impact of consolidation of distribution centers on facility and inventory costs. We extend their result on profitability of consolidation. We associate a cooperative game with each location-inventory situation and prove that this game has a nonempty core for identical and independent demand processes. This i...

An inventory manager is typically concerned with a number of diierent products. His decision-making task is made complicated by such factors as interdependent uncertain product demands and competition for limited storage space. The stochastic inventory problem involving these complexities cannot in general be decomposed into a number of distinct single product problems. In the paper \Stochastic...