The bullwhip effect is the magnification of demand fluctuations, not the magnification of demand. Whenever demand increases and decreases, the bull whip effect are evident in a supply chain. When the supply chain is large, the issue becomes more complex. Also Bullwhip effect is caused from distortions in information along the supply chain Some of the bull whip effects are excess inventories, pr...

Interest in supply chain management has steadily increased since the 1980s when firms saw the benefits of collaborative relationships within and beyond their own organization. Firms are finding that they can no longer compete effectively in isolation of their suppliers or other entities in the supply chain. A number of definitions of supply chain management have been proposed in the literature ...

In this study we explore the implications of using recycled versus virgin materials for the supply chain structure and supplier relationships as well as the broader effects on operations strategy. We focus our study on the corrugated cardboard industry, where vertical integration is common, and non-integrated firms are both customers and competitors of integrated firms. These multiple supplier/...

Supply chain paradigms have been explored, but it is still very difficult to integrate some concepts that seem to be contradictory. This paper explores production and supply chain paradigms such as lean, agile, resilient and green. Tradeoffs between these management paradigms are identified and explored to help organizations and their supply chains to become more efficient and competitive. This...

Firms are increasingly embracing integrated Web-based or e-supply chains because such chains are believed to enhance efficiency and competitiveness. The e-supply chain movement has received a boost from a variety of off-the-shelf supply chain software solutions that have appeared on the market. However, in the excitement about these software solutions, it is often overlooked that creation and i...

Managing income is a considerable dimension in supply chain management in current economic atmosphere. Real world situation makes it inevitable not to design or redesign supply chain. Redesign will take place as costs increase or new services for customers’ new demands should be provided. Pricing is an important fragment of Supply chain due to two reasons: first, represents revenue based ...

This study proposes a Supplier Quality Affiliation (SQA) approach that is integrated into a mixed integer programming Strategic Supply Chain Management (SSCM) model for overall improvement of the supply chain business process. A pool of acceptable quality and high quality suppliers are affiliated using multi-dimensional quality attributes for the supplier operation parameters in the SQA model. ...

Assessment and selection of suppliers are two most important tasks in the purchasing part in supply chain management. Supplier selection can be considered to be a single or multi-objective problem. From another point of view, it can be a single or multi-sourcing problem. In this paper, an integrated AHP and Fuzzy TOPSIS model is proposed to solve the supplier selection problem. This model makes...

Objective: Today, manufacturing companies must pay attention to environmental and social issues throughout the supply chain in order to survive. Many efforts have been made to examine the sustainable supply chain, but the agility of sustainable supply chain has been only observed in very few studies. Therefore, the aim of this study is to present an agility model of sustainable supply chain in ...