This research investigates relationships among IT investment, inventory performance, and financial performance to find the empirical evidence for the theory that operational excellence in inventory management and relevant IT investment enhance profitability in the long run. Using ANOVA, post hoc analysis, and hierarchical regression, we analyze longitudinal data at the industry group level (man...

This contribution describes a general mixed-integer linear programming model based on a time-indexed formulation covering the relevant features required for the complete supply chain management of a multi-site production network. While the actual application is taken from the chemical industry, the model provides a starting point for many applications in the chemical process industry, food or c...

Inventory control is important in supply chain management. A great deal of research efforts have been devoted to it over a few decades. Previous researches always assume that the lead time is an exogenously parameter, and the unmet demand is backordered. However, these assumptions may not suit to the real environment. In this paper, a mathematical model regarding inventory control is set up for...

This paper proposes a production-inventory model with setup cost for production and financial compensation for stopping production when the buy-back program is activated, which is a modified model to that of [Chen et al 2007] by including the setup cost. Under an energy buyback program, we consider M+1 types of market scenarios and the corresponding buy-back levels with different financial comp...

This paper examines the extended two-echelon newsboy problem for a manufacturer and retailer in a supply chain with asymmetric market information. In this scenario, the retailer has better knowledge of the market s demand, and the manufacturer perceives the same demand. This applied model presents how the manufacturer can take advantage of the retailer s market information and improve the effic...

When the user has an accent different from what the automatic speech recognization system is trained with, the performance of the systems degrades. This is attributed to both acoustic and phonological differences between accents. The phonological differences between two accents are due to different phoneme inventories in two languages. Even for the same phoneme, foreigners and native speakers p...

In many industries, managers face the problem of selling a given stock of items by a deadline. We investigate the problem of dynamically pricing such inventories when demand is price sensitive and stochastic and the firm’s objective is to maximize expected revenues. Examples that fit this framework include retailers selling fashion and seasonal goods and the travel and leisure industry, which m...

This paper presents a mathematical model for an inventory control system in which customers’ demands and suppliers’ service time are considered as stochastic parameters. The proposed problem is solved through queuing theory for a single item. In this case, transitional probabilities are calculated in steady state. Afterward, the model is extended to the case of multi-item inventory systems. The...

Within the competition in today’s business environment, the design of supply chains becomes more complex than before. This paper deals with the retailer’s location problem when customers choose their vendors, and inventory costs have been considered for retailers. In a competitive location problem, price and location of facilities affect demands of customers; consequently, simultaneous optimiza...

multi-echelon inventory systems are one of the most important and attractive areas in modelling supply chain management so that several researches and studies have been done about. in this paper, the total cost function of a two-echelon inventory system with central warehouse and many identical retailers controlled by continuous review inventory policy is estimated. we have assumed the demand i...