We study a model of a firm managing its inventory of a single product by sourcing supplies from two supply sources, a regular supplier who offers a lower unit cost and a longer lead time than a second, emergency, supplier. A practically implementable policy for such a firm is a Tailored Base-Surge (TBS) Policy (Allon and Van Mieghem, 2010) to manage its inventory: Under this policy, the firm pr...

In most industries the cost of raw materials and component parts constitutes the main cost of a product, such that in some cases it can account for up to 70%.In such circumstances decision making of purchasing management can play a key role in cost reduction. In today’s highly competitive environment, an effective supplier selection process is very important to the success of any manufacturing ...

Because of the pressure of globalization in the last two decades, professional services has become an important strategic decision so that supplier selection is a prime concern. In the semiconductor industry, the prior researches worked on analyzing and improving the process, and evaluating the equipment manufacturers. Consequently, this study is to identify critical factors related to the wafe...

As suppliers provide more value in today’s supply chains, eliciting supplier cost-reduction efforts and inducing supplier competition are two important levers for a buyer to reduce sourcing costs. In this paper, we study a buyer’s sourcing strategy considering supplier effort and competition. The buyer has two instruments in her strategy: the composition of the supply base and the contracting m...

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Cooperative Information Systems implement cross-organization processes by exchanging information among each other in a mutual supplier--customer relationship. With respect to the quality of the information received, each customer system has requirements that must be met by its supplier systems. In this paper, we model the quality profile associated to a supplier as a multidimensional data cube,...

In any manufacturing industry 60% 70% of total cost of product pertains raw materials cost. Therefore selec material supplier is very significant factor to improve quality of product as well as reducing total cost. Supplier selection considers various factors and numerous alternatives. However it is conflicting various choices. The proposed multi criteria group decision making problem paves sel...

We study a practice whereby a downstream firm makes to his supplier a premium-payment for a certain quantity of products. We show that the adoption of this practice can induce the supplier to build bigger capacity. The higher capacity level enables the supplier to satisfy a larger portion of demands from the downstream firm, and this leads to higher payoffs for both parties in the supply chain....

Suppliers have become resources for innovation and competitive advantages. To realize those potentials specific competencies have to be developed in a partnership between customer and supplier. The success of those development projects and also the effort that has to be put in depend on several factors. One of those factors is the motivation of the supplier organization. An empirical study show...

The supplier and buyers, with different objectives and self-interest, are separate economic entities acting independently and opportunistically to maximize their individual profits. In this paper, a GBA model in the B2B market is studied, where one supplier faces 2 different retailers, who cooperate in the order decision making. Firstly, the optimal ordering decision of the retailers was analyz...