in this paper, a two-echelon supply chain, which includes two products based on the following considerations, has been studied and the bullwhip effect is quantified. providing a measure for bullwhip effect that enables us to analyze and reduce this phenomenon in supply chains with two products is the basic purpose of this paper. demand of products is presented by the first order vector autoregr...

In studies on green supply chain, performance evaluation is an extremely important field. It aims to allow the nodes in supply chain to realize their positions and influence on benefit in overall supply chain in order enhance the supply chain. Thus, implementation of effective performance evaluation is the key to enhance green supply chain development. Distribution service industry is the impor...

In the current competitive and dynamic market, customer demands and interests are changing continuously, and hence, risk of disruption in the supply chain is also increasing. To be successful in this scenario, supply chain of a firm should be resilient. Most of the firms realize that with a specific end goal to develop a resilient supply chain, there is a need for assessment of performance. The...

the need for high-quality medical equipment in the hospital supply chain has more than ever demonstrated the necessity and importance of quality management to be implemented by administrators in line with the iranian health reform plan. in this study, the game theory was used to model the strategies chosen by companies supplying medical equipment to hospitals. considering the process of self-le...

one of the important problems in project management is lack of available resources in proper time at project site that leads to lack of project implementation in due date. this problem may be lead to time delay in sending resources from suppliers and related origins in supply chain to project site. therfore, to better resources managmenet and also the improvement of supply chain condition, the ...

Supply chain collaboration has become a critical success factor for supply chain management and effectively improves the performance of organizations in various industries. Supply chain collaboration builds on information sharing, collaborative planning and execution. Information technology is an important enabler of collaborative supply chain management. Many information systems have been deve...

This paper describes requirements for an integrated supply chain system simulator with the focus on production activities within the system. This paper includes the following contents: (1) Identification of supply chain planning problems over various operational strategies, (2) Operational strategy for supply chain management, and (3) Requirements and design issues for a generic supply chain si...

The role of sustainability dimensions in the value creation process has received much attention. Adopting a proper set of key performance indicators sustainability leads to accurate calculation of chain value. This paper focuses on the dimensions of in the biofuel supply chain and seeks to evaluate the value in the chain. First, the importance of biofuels and its various types are discussed. Th...

With the increase in environmental awareness, competitions and government policies, implementation of green supply chain management activities to sustain production and conserve resources is becoming more necessary for different organizations. However, it is difficult to successfully implement green supply chain (GSC) activities because of the risks involved. These risks alongside their resourc...