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Articoli di riviste sul tema "Inventory in supply chain"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 9 febbraio 2022

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1

Jane, S. Priscilla, Dr C. Elango Dr.C.Elango e Dr A. Nagarajan Dr.A.Nagarajan. "Markov Decision Process in Supply Chain Inventory Systems". International Journal of Scientific Research 2, n. 12 (1 giugno 2012): 350–53. http://dx.doi.org/10.15373/22778179/dec2013/108.

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2

Singh, Deepesh, e Ajay Verma. "Inventory Management in Supply Chain". Materials Today: Proceedings 5, n. 2 (2018): 3867–72. http://dx.doi.org/10.1016/j.matpr.2017.11.641.

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3

Drakaki, Maria, e Panagiotis Tzionas. "Investigating the impact of inventory inaccuracy on the bullwhip effect in RFID-enabled supply chains using colored petri nets". Journal of Modelling in Management 14, n. 2 (10 maggio 2019): 360–84. http://dx.doi.org/10.1108/jm2-08-2017-0081.

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PurposeInformation distortion results in demand variance amplification in upstream supply chain members, known as the bullwhip effect, and inventory inaccuracy in the inventory records. As inventory inaccuracy contributes to the bullwhip effect, the purpose of this paper is to investigate the impact of inventory inaccuracy on the bullwhip effect in radio-frequency identification (RFID)-enabled supply chains and, in this context, to evaluate supply chain performance because of the RFID technology.Design/methodology/approachA simulation modeling method based on hierarchical timed colored petri nets is presented to model inventory management in multi-stage serial supply chains subject to inventory inaccuracy for various traditional and information sharing configurations in the presence and absence of RFID. Validation of the method is done by comparing results obtained for the bullwhip effect with published literature results.FindingsThe bullwhip effect is increased in RFID-enabled multi-stage serial supply chains subject to inventory inaccuracy. The information sharing supply chain is more sensitive to the impact of inventory inaccuracy.Research limitations/implicationsInformation sharing involves collaboration in market demand and inventory inaccuracy, whereas RFID is implemented by all echelons. To obtain the full benefits of RFID adoption and collaboration, different collaboration strategies should be investigated.Originality/valueColored petri nets simulation modeling of the inventory management process is a novel approach to study supply chain dynamics. In the context of inventory errors, information on RFID impact on the dynamic behavior of multi-stage serial supply chains is provided.

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4

Zhang, Xiu Juan. "Inventory Control of Supply Chain Environment". Advanced Materials Research 971-973 (giugno 2014): 2346–49. http://dx.doi.org/10.4028/www.scientific.net/amr.971-973.2346.

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Supply chain management , so that enterprises not only to face the fierce competition in the international market , and can withstand demand uncertainty and rapid technological innovation and other factors that impact . Production and inventory management is always an important part of business process indispensable , is the added value chain to achieve the important part. In supply chain management, inventory level not only affects the overall cost of a single enterprise , but also restricts the performance of the entire supply chain. Based on the analysis of the traditional inventory management , supply chain theory combined with the latest developments , the use of vendor-managed inventory , joint management of inventory control, inventory control, multi-level strategy, inventory control, supply chain environment for further improvements , making inventory control of the supply chain environment more perfect .

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5

Sbai, Nouçaiba, e Abdelaziz Berrado. "A literature review on multi-echelon inventory management: the case of pharmaceutical supply chain". MATEC Web of Conferences 200 (2018): 00013. http://dx.doi.org/10.1051/matecconf/201820000013.

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Inventory management remains a key challenge in supply chain management. Many companies recognize the benefits of a good inventory management system. An effective inventory management helps reaching a high customer service level while dealing with demand variability. In a complex supply chain network where inventories are found across the entire system as raw materials or finished products, the need for an integrated approach for managing inventory had become crucial. Modelling the system as a multi-echelon inventory system allows to consider all the factors related to inventory optimization. On the other hand, the high criticality of the pharmaceutical products makes the need for a sophisticated supply chain inventory management essential. The implementation of the multi-echelon inventory management in such supply chains helps keeping the stock of pharmaceutical products available at the different installations. This paper provides an insight into the multi-echelon inventory management problem, especially in the pharmaceutical supply chain. A classification of several multi-echelon inventory systems according to a set of criteria is provided. A synthesis of multiple multi-echelon pharmaceutical supply chain problems is elaborated.

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6

Kegenbekov, Zhandos, e Ilya Jackson. "Adaptive Supply Chain: Demand–Supply Synchronization Using Deep Reinforcement Learning". Algorithms 14, n. 8 (15 agosto 2021): 240. http://dx.doi.org/10.3390/a14080240.

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Adaptive and highly synchronized supply chains can avoid a cascading rise-and-fall inventory dynamic and mitigate ripple effects caused by operational failures. This paper aims to demonstrate how a deep reinforcement learning agent based on the proximal policy optimization algorithm can synchronize inbound and outbound flows and support business continuity operating in the stochastic and nonstationary environment if end-to-end visibility is provided. The deep reinforcement learning agent is built upon the Proximal Policy Optimization algorithm, which does not require hardcoded action space and exhaustive hyperparameter tuning. These features, complimented with a straightforward supply chain environment, give rise to a general and task unspecific approach to adaptive control in multi-echelon supply chains. The proposed approach is compared with the base-stock policy, a well-known method in classic operations research and inventory control theory. The base-stock policy is prevalent in continuous-review inventory systems. The paper concludes with the statement that the proposed solution can perform adaptive control in complex supply chains. The paper also postulates fully fledged supply chain digital twins as a necessary infrastructural condition for scalable real-world applications.

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Orjuela-Castro, Javier Arturo, Miguel Angel Cardona-Rojas e Laura Vanessa Castañeda-López. "Agricultural Supply Chain Mango Inventory Model". Revista Ingeneria Industrial 16, n. 2 (1 agosto 2017): 141–50. http://dx.doi.org/10.22320/s07179103/2017.09.

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8

Kapuscinski, Roman, Rachel Q. Zhang, Paul Carbonneau, Robert Moore e Bill Reeves. "Inventory Decisions in Dell's Supply Chain". Interfaces 34, n. 3 (giugno 2004): 191–205. http://dx.doi.org/10.1287/inte.1030.0068.

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9

Hayya, Jack C., Jeon G. Kim, Stephen M. Disney, Terry P. Harrison e Dean Chatfield. "Estimation in supply chain inventory management". International Journal of Production Research 44, n. 7 (aprile 2006): 1313–30. http://dx.doi.org/10.1080/00207540500338039.

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10

Hartwig, Robin, Karl Inderfurth, Abdolkarim Sadrieh e Guido Voigt. "Strategic Inventory and Supply Chain Behavior". Production and Operations Management 24, n. 8 (26 gennaio 2015): 1329–45. http://dx.doi.org/10.1111/poms.12325.

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11

Krishnan, Harish, e Ralph A. Winter. "Inventory Dynamics and Supply Chain Coordination". Management Science 56, n. 1 (gennaio 2010): 141–47. http://dx.doi.org/10.1287/mnsc.1090.1100.

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12

Hinojosa, Y., J. Kalcsics, S. Nickel, J. Puerto e S. Velten. "Dynamic supply chain design with inventory". Computers & Operations Research 35, n. 2 (febbraio 2008): 373–91. http://dx.doi.org/10.1016/j.cor.2006.03.017.

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13

Yan, Bo, e Lifeng Liu. "A new transshipment policy in cluster supply chains based on system dynamics". RAIRO - Operations Research 52, n. 1 (gennaio 2018): 1–15. http://dx.doi.org/10.1051/ro/2017021.

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In this paper, the cross-chain inventory emergency supplementary of two single supply chains is investigated to simulate the transshipment of the supply chain network system in the industrial cluster supply chains. We assume that each single supply chain is composed by a manufacturer, a wholesaler and a retailer. Besides, a new transshipment policy based on system dynamics (SD) is proposed in this paper, called the model of the cross-chain inventory transshipment between two enterprises from both the same tier and different tiers. The new proposed model is different from the model of the cross-chain inventory transshipment between two enterprises at the same tier and the model of the cross-chain inventory transshipment between two enterprises at different tiers, which have been researched by previous scholars. Some comparisons are made among the three models. It is proved that the new proposed model can improve the customer satisfaction level (CSL) and lower the total inventory level than the two other models existing currently.

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Pan, Feng Shan, Chun Ming Ye e Jiao Yang. "Inventory Optimization in Supply Chains". Applied Mechanics and Materials 66-68 (luglio 2011): 1305–10. http://dx.doi.org/10.4028/www.scientific.net/amm.66-68.1305.

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This paper reviews joint inventory management models and discusses its contribution to improve the overall supply chain competitiveness, after discussing suppliers and agents’ plan model respectively. Further, based on the background of Company F, and combined the modern scientific management theory of supply chain inventory with practical case, it improves the inventory management method. Finally, the conclusion of calculation is presented in detail.

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15

Tang, Jia. "A Study of Inventory Management in Supply Chain under the Environment of Internet of Things". Applied Mechanics and Materials 556-562 (maggio 2014): 6673–76. http://dx.doi.org/10.4028/www.scientific.net/amm.556-562.6673.

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Since the 1960s, the competition between enterprises has been replaced by the competition between supply chains because of rapid economic development. For the purpose of enhancing the competitiveness of supply chain by improving the level of supply chain management, the resources of enterprises in supply chain should be integrated and optimized, and then managed uniformly. Inventory management is the most important part of supply chain management. The inventory models what we are using have many limitations. The effectiveness of implementation often depends on the accuracy of the accuracy of “market demand forecast”. In order to reduce the reliance on “market demand forecast” accuracy to improve the efficiency of supply chain inventory management, we need to have further research on this theory by used of Internet of things to explore right model.

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16

Li, Guo Gang, Jia Ying Zhou e Ting Yang. "The Research of Inventory Management Based on the Supply Chain". Applied Mechanics and Materials 687-691 (novembre 2014): 5116–19. http://dx.doi.org/10.4028/www.scientific.net/amm.687-691.5116.

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In the supply chain system, the inventory is the main object of supply chain management, the level of inventory is high or low not only affects the comprehensive cost of a single enterprise, but also restricts the performance of entire supply chain.To realize the difference between inventory management under the supply chain environment and the traditional supply chain management, to establish stock corresponding to uncertain market needs and how to overcome the existing problems is the important issues the enterprise managers must consider when they improve and optimize the supply chain . This article is based on that researching the problem of inventory management under the environment of supply chain,analyzing the challenges it faces, maintaining the good performance of the supply chain under the premise of normal operation of each link. At the sane time,it interprets the connotation of the supply chain and the inventory management under the environment of supply chain, and points out the several kinds of inventory management mode under environment of supply chain enterprises can take.

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Colon, Célian, Åke Brännström, Elena Rovenskaya e Ulf Dieckmann. "Fragmentation of production amplifies systemic risks from extreme events in supply-chain networks". PLOS ONE 15, n. 12 (28 dicembre 2020): e0244196. http://dx.doi.org/10.1371/journal.pone.0244196.

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Climatic and other extreme events threaten the globalized economy, which relies on increasingly complex and specialized supply-chain networks. Disasters generate (i) direct economic losses due to reduced production in the locations where they occur, and (ii) to indirect losses from the supply shortages and demand changes that cascade along the supply chains. Firms can use inventories to reduce their risk of shortages. Since firms are interconnected through the supply chain, the level of inventory hold by one firm influences the risk of shortages of the others. Such interdependencies lead to systemic risks in supply chain networks. We introduce a stylized model of complex supply-chain networks in which firms adjust their inventory to maximize profit. We analyze the resulting risks and inventory patterns using evolutionary game theory. We report the following findings. Inventories significantly reduce disruption cascades and indirect losses at the expense of a moderate increase in direct losses. The more fragmented a supply chain is, the less beneficial it is for individual firms to maintain inventories, resulting in higher systemic risks. One way to mitigate such systemic risks is to prescribe inventory sizes to individual firms—a measure that could, for instance, be fostered by insurers. We found that prescribing firm-specific inventory sizes based on their position in the supply chain mitigates systemic risk more effectively than setting the same inventory requirements for all firms.

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18

Zhuang, Zhi Jie. "Inventory Information Management of Logistics Supply Chain". Advanced Materials Research 989-994 (luglio 2014): 5453–56. http://dx.doi.org/10.4028/www.scientific.net/amr.989-994.5453.

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The supply chain information management of logistics has become an important method to enhance its competitiveness. The inventory information management and application of the logistics supply is researched based on grey clustering decision-making methods. The inventory theory and methods are studied firstly, and the fuzzy mathematics and grey system theory are used to solve the classification problem. The electronic industry logistics supply chain is taken as the example, the inventory information management problem is solved. The inventory information management theory is improved in this paper, and it can more accurately reflect the market situation, it provides the reference for the classification of inventory information management in logistics supply chain.

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19

Yan, Bo, e Lifeng Liu. "Simulation of multi-echelon supply chain inventory transshipment models at different levels". SIMULATION 94, n. 7 (20 marzo 2017): 563–75. http://dx.doi.org/10.1177/0037549717698034.

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An inventory transshipment model comprising manufacturers, distributors, and retailers based on multi-echelon supply chains is established using the system dynamics method. Thereafter, the single-, double-, three-, and four-chain inventory transshipment models at different levels are comparatively analyzed through simulation. Studies indicated that from the single- to four-chain inventory transshipment models, the average stock level minimally changed and declined. Meanwhile, the stability of the supply chain inventory improved continuously. The average customer requirement satisfaction rate of the inventory transshipment system consistently increases as the number of chains added to the transshipment system increases. However, the growth range of the average customer satisfaction rate continuously decreases with the increasing transshipment costs.

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Di, Xiao, e Bao Xing. "Inventory Management in Competition Environment Based on Customer Service". Applied Mechanics and Materials 58-60 (giugno 2011): 2141–46. http://dx.doi.org/10.4028/www.scientific.net/amm.58-60.2141.

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Based on demand uncertainty, the paper studies inventory management decision of two competing supply chains from the perspective of customer service. The paper mainly discusses two different inventory strategies, which are widely used, that is, consignment stock and VMI, and analyzes the optimal policies under three competitive scenarios, which consist of using consignment stock in both supply chains (CC mode), using VMI in both supply chains (DD mode), and using consignment stock in one supply chain but VMI another (VC mode). The paper compares equilibrium inventory level and profit of supply chain in different competitive modes, and concludes that both supply chains use VMI is equilibrium, which means that when manufacturers have right to choose inventory management policy, they prefer VMI. But it isn’t paradoxical with the phenomenon that consignment stock is common in reality, because manufacturers are forced to use consignment by retailer’s channel power.

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Lu, Shan, Xing Yu Wei e Quan Sheng Lei. "The Impact of the RFID Technology in the Supply Chain". Applied Mechanics and Materials 415 (settembre 2013): 702–7. http://dx.doi.org/10.4028/www.scientific.net/amm.415.702.

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Inventory inaccuracy deriving from the distortion of inventory information may possibly result in the stock out in supply chain system, spawning a great number of economic losses. Dealing with this problem, the partners in the supply chain can choose to introduce the advanced automatic identification system. In this paper, considering a three-level supply chain facing stochastic demand and suffering from inventory inaccuracy, we present a simulation model to study the increase of revenue when the supply chain introduces RFID technology. We compare the revenue of the supply chain system in two situations: The first situation deals with the case where the supply chain operates with inaccurate inventory information. In the second situation, RFID technology is introduced to eliminate the inventory inaccuracy. Further, we investigate the benefits of using RFID technology to eliminate the inventory inaccuracy within the supply chain.

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22

Magnanti, Thomas L., Zuo-Jun Max Shen, Jia Shu, David Simchi-Levi e Chung-Piaw Teo. "Inventory placement in acyclic supply chain networks". Operations Research Letters 34, n. 2 (marzo 2006): 228–38. http://dx.doi.org/10.1016/j.orl.2005.04.004.

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23

Rekik, Yacine. "Inventory inaccuracies in the wholesale supply chain". International Journal of Production Economics 133, n. 1 (settembre 2011): 172–81. http://dx.doi.org/10.1016/j.ijpe.2010.02.012.

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Zhang, Allan N., Mark Goh e Fanwen Meng. "Conceptual modelling for supply chain inventory visibility". International Journal of Production Economics 133, n. 2 (ottobre 2011): 578–85. http://dx.doi.org/10.1016/j.ijpe.2011.03.003.

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Mittal, Mandeep, Charushi Nagpal, Nandini Malhotra, Annu Lambora, Reshu Agarwal e Sumil Mehta. "Genetic model for supply chain inventory optimisation". International Journal of Supply Chain and Operations Resilience 3, n. 3 (2018): 248. http://dx.doi.org/10.1504/ijscor.2018.093280.

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Mehta, Sumil, Reshu Agarwal, Annu Lambora, Nandini Malhotra, Mandeep Mittal e Charushi Nagpal. "Genetic model for supply chain inventory optimisation". International Journal of Supply Chain and Operations Resilience 3, n. 3 (2018): 248. http://dx.doi.org/10.1504/ijscor.2018.10014509.

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Pang, Hui, e Shaohua Dong. "Inventory Collaboration in Coastal Cluster Supply Chain". Journal of Coastal Research 94, sp1 (9 settembre 2019): 617. http://dx.doi.org/10.2112/si94-124.1.

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Keskinocak, Pınar, Kasarin Chivatxaranukul e Paul M. Griffin. "Strategic inventory in capacitated supply chain procurement". Managerial and Decision Economics 29, n. 1 (gennaio 2008): 23–36. http://dx.doi.org/10.1002/mde.1398.

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29

Etienne, Eisenhower C. "Supply Chain Responsiveness and the Inventory Illusion". Supply Chain Forum: An International Journal 6, n. 1 (gennaio 2005): 48–65. http://dx.doi.org/10.1080/16258312.2005.11517138.

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Yao, Yuliang, Philip T. Evers e Martin E. Dresner. "Supply chain integration in vendor-managed inventory". Decision Support Systems 43, n. 2 (marzo 2007): 663–74. http://dx.doi.org/10.1016/j.dss.2005.05.021.

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George, Joby, e V. Madhusudanan Pillai. "Supply Chain Performance Evaluation Using Spreadsheet Simulation". Applied Mechanics and Materials 592-594 (luglio 2014): 2699–703. http://dx.doi.org/10.4028/www.scientific.net/amm.592-594.2699.

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The objective of this paper is to develop a spreadsheet-based simulation methodology to evaluate the performance of a serial supply chain under different inventory position based ((r, Q) and (r, S)) and non-inventory position based (Fixed Order Quantity (FOQ) and Demand Flow Strategy (DFS)) periodic review inventory policies. The performance measures comprises of Fill Rate, Risk of Shortage, Bullwhip Effect and Total Cost of Supply Chain. An experimental study with four scenarios are carried out for two customer demand distributions under information sharing and no information sharing scenarios to determine performance measures in lost sales environment. The best performing inventory control policy for each scenario is found by conducting Grey Relational Analysis and the analysis show that one of non-inventory position based policy, FOQ is the better policy compared to other three policies.

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Maserih, Maserih. "Analisis Bullwhip Effect Dan Day Of Inventory (Doi) Serta Implikasinya Terhadap Supply Chain Management". Jurnal STEI Ekonomi 26, n. 01 (4 settembre 2017): 123–35. http://dx.doi.org/10.36406/jemi.v26i01.199.

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Tesis ini bertujuan untuk mengukur Bullwhip Effectdan Day Of Inventory(DOI) di PT. XYZ Tbks, serta untuk menganalisis apakah Bullwhip Effect dan Day Of Inventory tersebut dapat memberikan dampak terhadap Supply Chain Management di PT. XYZ Tbk.Metode yang digunakan dalam penelitian ini adalah analisis deskriptif dengan metode pengumpulan data melalui studi pustaka, observasi, interview. Dari hasil penulisan dapat diketahui bahwa dengan meminimalkan Bullwhip Effect maka akan menekan angka Day Of Inventory.Bullwhip Effect sangat berdampak pada Supply Chain Management oleh karena itu perlu ditangani dengan sebaik baiknya.Day Of Inventory (DOI) sangat berdampak pada Supply Chain Management oleh sebab itu perlu ditangani dengan sebaik baiknya. Dengan meminimalkan Bullwhip Effect dan Day Of Inventory akan membantu meningkatkan kinerja Suply ChainManagement.

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Moon. "The relationships among manufacturer product strategy, supply chain structure and supply chain inventory". Asia Pacific Journal of Marketing and Logistics 16, n. 2 (giugno 2004): 20–45. http://dx.doi.org/10.1108/13555850410765168.

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Li, Shuangy Yan, De Zhi Zhang e Fang Ping Jin. "Two-Stage Supply Chain Inventory Coordination Strategy with Supply-Hub Operation Mode". Advanced Materials Research 542-543 (giugno 2012): 358–62. http://dx.doi.org/10.4028/www.scientific.net/amr.542-543.358.

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It is difficult to control and coordinate inventory of assembly manufacturing supply chain because there are multi-suppliers in control system. In order to integrate different suppliers and send parts packages to production line directly, Supply-Hub is used in practice. Queuing theory and basic inventory strategy are applied to model inventory control of assembly manufacturing supply chain with Supply-Hub mode. And optimization solution for decentralized decision and centralized decision were derived separately. Then coordination inventory strategy is obtained by comparing decentralized decision and centralized decision. Backorder and holding cost subsidy contracts are used for coordination that incites suppliers to set basic inventories in favor of whole supply chain operation cost reduction. And numerical examples of three suppliers and one manufacturer are given to illustrate the effectiveness of the coordination strategy.

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Wang, Yu, Xiao Ling Liang e Wen Xing Wu. "Inventory Simulation Modeling and Comparative Analysis of Supply Chain with Single and Multi-CODP". Applied Mechanics and Materials 263-266 (dicembre 2012): 3220–24. http://dx.doi.org/10.4028/www.scientific.net/amm.263-266.3220.

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The traditional MC supply chain only set up single CODP. Some scholars set multiple CODPs in supply chain in theory, so the inventory becomes more complicated. The paper firstly analyzes the inventory in MC supply chain with single CODP and multi-CODP, then builds inventory simulation modeling of supply chain with single CODP and multi-CODP based on system dynamics. Finally, uses the case of turbine production and related data to simulate and demonstrate. Actually, the total inventory at the CODP of single CODP chain is less, while the total work in progress of multi-CODP supply chain is less. And the total work in progress of supply chain with multi-CODP controls better.

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Afifi, Haitham, A. El-Kharbotly e G. Shedid. "INVENTORY POLICY FOR IMPROVED SUPPLY CHAIN PERFORMANCE UNDER CONSTRAINED SUPPLY". Journal of Al-Azhar University Engineering Sector 15, n. 54 (1 gennaio 2020): 48–56. http://dx.doi.org/10.21608/auej.2020.73152.

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Sari, Kazim. "Investigating the value of reducing errors in inventory information from a supply chain perspective". Kybernetes 44, n. 2 (2 febbraio 2015): 176–85. http://dx.doi.org/10.1108/k-06-2014-0113.

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Purpose – The purpose of this paper is to investigate the value of reducing errors in inventory information from a supply chain perspective. To this end, the benefits of reducing errors in inventory information are compared with those of lead time reduction and supply chain collaboration. Design/methodology/approach – A simulation model is constructed to perform the analysis. Findings – Results show that lead time reduction is the most important strategy for a supply chain in reducing total supply chain cost. In terms of customer service level, on the other hand, strategy of reducing errors in inventory information is observed as the most considerable strategy. However, the results for supply chain collaboration are somewhat unexpected. Namely, in spite of its popularity, supply chain collaboration provides very limited contribution to the supply chain. Practical implications – This research provides useful knowledge for the managers of a business enterprise in prioritizing various supply chain strategies. Originality/value – In supply chain management literature, greater emphasis is given to lead time reduction and supply chain collaboration than dealing with errors in inventory information. This research makes it clear that errors in inventory information should not be underestimated.

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., Mustafid, Alzena Dona Sabila e Suryono . "Sistem Pengendali Inventori Supply Chain Dengan Pendekatan Probabilitas Pada Industri Pakaian". JURNAL SISTEM INFORMASI BISNIS 8, n. 1 (30 aprile 2018): 17. http://dx.doi.org/10.21456/vol8iss1pp17-24.

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Inventory control systems have an important role in supply chain management to control process of production, inventory and distribution of products in accordance with rapidly changing consumer demand. The research aims to develop inventory control system on supply chain that can manage the number of production and supply of products based on variables of consumer demand and lead time. Supply chain inventory control systems are designed using model of supply chain inventory control within the information system framework. Model of inventory control using variable of demand lead time is designed by probability approach. Input to the system are data of demand and lead time sent by retail. The results of research provide theory of supply chain inventory control system with probability approach, especially on developing the theory of probability distribution for combined variables from two random variables of normal distributed. Inventory control system used to determine safety stock and reorder point as the basis for determining the replenishment stock. Furthermore by the system, supply chain management can manage the estimation of production number, and manage inventory and stock number of products in warehouse, supplier and retail in accordance with the consumer demand.

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Salam, Asif, Farhad Panahifar e P. J. Byrne. "Retail supply chain service levels: the role of inventory storage". Journal of Enterprise Information Management 29, n. 6 (10 ottobre 2016): 887–902. http://dx.doi.org/10.1108/jeim-01-2015-0008.

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Purpose In today’s competitive retail industry the most critical success factor is customer service which is indicated by product availability. It is argued that in the retail industry, product availability is an important measure of quality. The single most vital decision that every retailer needs to make is, how to maximize service level while keeping minimum inventory level. The purpose of this paper is to explain and demonstrate the relationship between inventory level and customer service level. Design/methodology/approach This study examines an inventory system utilizing a simulation model based on company data obtained from a retail fast-moving-consumer goods chain operating in Thailand. Findings The results suggest that the achievement of a responsive service level is dependent on managing an efficient supply chain in addition to logistics cost reductions. The findings also reveal the effect the inventory level has on the service level. From the findings of this study, demand variability and service level have been found to have the most significant influence on the inventory level. From the findings, it can also be shown that real and accurate information is very important for service supply chains. Practical implications The paper promotes the importance of having an appropriate inventory management policy for a retail chain which should be driven by retail companies in order to better balance inventory and service levels. Originality/value The relationship between the inventory level and customer service level lead to different outcomes at different combinations of inventory and service levels. Significant relationships were found between inventory and service levels.

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Wang, Da Xi, Ji Jiang Dou e Yan Hui Chen. "Automobile Industry Supply Chain Inventory Modeling and Optimization Based on MPC". Advanced Materials Research 945-949 (giugno 2014): 3241–45. http://dx.doi.org/10.4028/www.scientific.net/amr.945-949.3241.

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To model the automotive supply chain accurate for deep research,the basic model of automobile supply chain inventory management in the method of advanced control theory is established here. Through anglicizing the inventory of each node in the supply chain under stock replenishment strategy, the bullwhip effect in upstream enterprise of automobile industry supply chain inventory is proved. The method of Model Predict Control is taken in the simulation of the optimization model. Simulation results shows that the model predictive control method for each node in the supply chain inventory control has the characteristics of agility and overall and it has the practical value in restraint the bullwhip effect.

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Ma, Le, e Yi Chai. "Modeling and Analysis of the Manufacturers Inventory in Closed-Loop Supply Chain". Applied Mechanics and Materials 541-542 (marzo 2014): 1507–12. http://dx.doi.org/10.4028/www.scientific.net/amm.541-542.1507.

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In this paper, the closed-loop supply chain inventory management as the research object, based on traditional inventory theory forward and reverse supply chain will be presented by combining deterministic closed-loop supply chain manufacturer's optimal inventory policy, determined by calculating the optimal production lot and do sensitivity analysis.

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Wang, Ting Rui, Qiang Gao Lan e Yong Ze Chu. "Supply Chain Financing Model: Based on China's Agricultural Products Supply Chain". Applied Mechanics and Materials 380-384 (agosto 2013): 4417–21. http://dx.doi.org/10.4028/www.scientific.net/amm.380-384.4417.

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Abstract (sommario):

Difficulty in financing is a general problem faced by farmers and small and medium-sized agricultural enterprises for a long time because of the lack of guarantees in china. Supply Chain Finance (SCF) is generating much attention as a means of substituting for lower credit availability. For the purpose of promoting chinas rural financing products and service innovation by using SCF, this article studies agri-supply chain financing model and financing products. The result showed that agri-supply chain can extend credit to the upstream and downstream enterprise through order financing, accounts receivable financing, financing warehouse, accounts payable financing, prepaid accounts financing and inventory financing etc.

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Wadhwa, Subhash, Bibhushan e Felix T. S. Chan. "Inventory performance of some supply chain inventory policies under impulse demands". International Journal of Production Research 47, n. 12 (23 aprile 2009): 3307–32. http://dx.doi.org/10.1080/00207540701689750.

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44

Zhou, Li Xia, Tai Jie Li e Shi Yu Li. "Value Analysis on Inventory Information Sharing in Supply Chain". Advanced Materials Research 712-715 (giugno 2013): 3063–66. http://dx.doi.org/10.4028/www.scientific.net/amr.712-715.3063.

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Abstract (sommario):

This paper attempts to illustrate the benefits of supply chain partnerships with information sharing, especially with the inventory information sharing. Based on a two-stage supply chain comprising a retailer and a manufacturer, quantitative analysis have been performed to explore supply chain members' optimal inventory control policies, specifically, both the retailer and the manufacturer can obtain performance improvement in terms of inventory cost with the inventory information sharing.

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Filbeck, Greg, e Xin Zhao. "Supply Chain Disruptions". International Journal of Information Systems and Supply Chain Management 13, n. 3 (luglio 2020): 78–108. http://dx.doi.org/10.4018/ijisscm.2020070105.

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Abstract (sommario):

This study expands the work on contagion effects caused by supply chain disruptions beyond the impacted firm and competitors to its customers and suppliers. Using hand-collected data, we analyze the news announcements to determine those that resulted in disruptions in supply, demand, production, inventory, distribution, or transportation at one or more stages of a supply chain across different types of disruptions and across six market segments. Using event study methodology and regression analysis, we find statistically significant negative share price responses to announcement of supply chain disruptions for the affected firm and its competitors, but not for consumer and supplier firms. Competitors in more concentrated industries, with higher growth prospects, or with higher debt ratios, are more impacted by disruptions by peer firms. Customers firms in less competitive industries, who exhibit higher risk, or have overall lower sales react more negatively to disruption announcements.

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Bereriche, Youcef, e Daoud Ait-Kadi. "Contingency Design for Reliability in a Supply Chain". International Journal of Risk and Contingency Management 4, n. 2 (aprile 2015): 31–44. http://dx.doi.org/10.4018/ijrcm.2015040103.

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Abstract (sommario):

In this paper, the authors propose a reliability based design optimization approach for optimal inventory design in emergency operation, considering reliability target. In this context, the reliability of an inventory system is defined as the probability that the available inventory level meets all population demand during crisis period. Inventory support for emergency operations is complicated by uncertainties of demands and duration of crisis period. The inventory system is considered as a structure that undergoes an external load represented by the demand of population during crisis period. Moreover, the supply chain resists to this load by its strength represented by the quantity of products available at the distribution center. Reliability based design optimization approach is proposed to perform an optimal design of inventory system in emergency operation without making any particular assumption on distribution of population demand and duration crisis period. The simulation software SIMIO is used to validate the proposed method by conducing simulation analysis using several examples with different distributions of population demand and duration crisis period. The results indicate clearly that the proposed method gives an optimal design with reliability much closer to target value.

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Zhang, Qing Ying, Ying Chi, Yu Liu e Qian Shi. "Enterprise Inventory Control Based on Supply Chain Management". Advanced Materials Research 472-475 (febbraio 2012): 3273–76. http://dx.doi.org/10.4028/www.scientific.net/amr.472-475.3273.

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Abstract (sommario):

The main target of supply chain management is to control inventory of each node enterprise effectively with the minimum cost. In this paper, the control strategies and methods of inventory based on supply chain management are put forward, which are significant for saving the cost of supply chain and improving the overall benefits of the whole chain.

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Fleisch, Elgar, e Christian Tellkamp. "Inventory inaccuracy and supply chain performance: a simulation study of a retail supply chain". International Journal of Production Economics 95, n. 3 (marzo 2005): 373–85. http://dx.doi.org/10.1016/j.ijpe.2004.02.003.

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McMaster, May, Charlie Nettleton, Christeen Tom, Belanda Xu, Cheng Cao e Ping Qiao. "Risk Management: Rethinking Fashion Supply Chain Management for Multinational Corporations in Light of the COVID-19 Outbreak". Journal of Risk and Financial Management 13, n. 8 (4 agosto 2020): 173. http://dx.doi.org/10.3390/jrfm13080173.

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Abstract (sommario):

Through an international business risk management lens, the widespread and catalytic implications of the 2020 COVID-19 pandemic on the supply chains (SCs) of fashion multinational corporations (MNC) are analyzed to contribute to existing research on supply chain management (SCM). While a movement towards agile, networked supply chain models had been in consideration for many firms prior to the outbreak, the pandemic highlights issues inherent in supply chains that employ concentrated production. We examined the current state of fashion supply chains, risks that have arisen historically and recently, and existing risk mitigation methods. We found that while lean supply chain management is primarily favored for its cost and waste reduction advantages, the structure is limited by the lack of supply chain transparency that results as well as the increasing demand volatility observed even before the COVID-19 outbreak. Although this problem might exist in the agile supply chain, agile supply chains combat this by focusing on enhancing communication and buyer-supplier relationships to improve information exchange. However, this structure also entails an associated increase in inventory and inventory costs. The COVID-19 pandemic has caused supply and demand disruptions which have resonating effects on supply chain activities and management, indicating a need to build flexibility to mitigate epidemic and demand risks. To address this, several strategies that firms can adopt to control for such risks are outlined and key areas for further research are identified which consider parties both upstream and downstream of the fashion supply chain.

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Lian, Qi, e Su Ling Jia. "Research and Simulation of Supply Chain Disruption Based on Contract". Applied Mechanics and Materials 380-384 (agosto 2013): 4815–22. http://dx.doi.org/10.4028/www.scientific.net/amm.380-384.4815.

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Abstract (sommario):

In order to research the long-term disruption influence on supply chain and the performance that contracts exert on supply chain when disruption happens, this paper constructs a VMI three-echelon supply chain model based on system dynamics. Through dynamic simulation of the model, the total inventory, total profit and market demand shortage data are respectively collected under conditions of no disruption, manufacture disruption and transport disruption. By descriptive statistical analysis of these data, we find the disruption has secular and hysteretic effect on the supply chain. Furthermore, T test is used to testify the contracts effectiveness on the supply chain under disruption conditions. These analytical results show that quantity discount contract and revenue sharing contract can effectively relieve the negative influence on the supply chain when disruptions happen, since they not only enhance the total profit but also stabilize the fluctuation of the supply chains total inventory, whereas the contracts do not perform well in satisfying the market demand shortage.

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