The trans-shipment problem in a two-echelon, multi-location inventory system with lost sales

Tlili, Mounira; Moalla, M.; Campagne, Jean‐Pierre

doi:10.1080/00207543.2012.671590

Cited by 15 publications

(6 citation statements)

References 16 publications

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“…Transshipments made between equivalent locations in the supply chain are called lateral transshipments (Paterson et al , 2011). As Tlili et al (2012) note, there are two types of transshipment: emergency and preventive. Emergency transshipments offer inventory replenishment in an actual stockout case, whereas preventive transshipments are routine inventory redistributions (Tlili et al , 2012).…”

Section: Methodsmentioning

confidence: 99%

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Modeling a closed-loop vaccine supply chain with transshipments to minimize wastage and threats to the public: a system dynamics approach

Andiç-Mortan

Kochan²

2023

JHLSCM

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Purpose This study aims to focus on building a conceptual closed-loop vaccine supply chain (CLVSC) to decrease vaccine wastage and counterfeit/fake vaccines. Design/methodology/approach Through a focused literature review, the framework for the CLVSC is described, and the system dynamics (SD) research methodology is used to build a causal loop diagram (CLD) of the proposed model. Findings In the battle against COVID-19, waste management systems have become overwhelmed, which has created negative environmental and extremely hazardous societal impacts. A key contributing factor is unused vaccine doses, shown as a source for counterfeit/fake vaccines. The findings identify a CLVSC design and transshipment operations to decrease vaccine wastage and the potential for vaccine theft. Research limitations/implications This study contributes to establishing a pandemic-specific VSC structure. The proposed model informs the current COVID-19 pandemic as well as potential future pandemics. Social implications A large part of the negative impact of counterfeit/fake vaccines is on human well-being, and this can be avoided with proper CLVSC. Originality/value This study develops a novel overarching SD CLD by integrating the epidemic model of disease transmission, VSC and closed-loop structure. This study enhances the policymakers’ understanding of the importance of vaccine waste collection, proper handling and threats to the public, which are born through illicit activities that rely on stolen vaccine doses.

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Section: Methodsmentioning

confidence: 99%

Section: Transshipmentmentioning

confidence: 99%

Modeling a closed-loop vaccine supply chain with transshipments to minimize wastage and threats to the public: a system dynamics approach

Andiç-Mortan

Kochan²

2023

JHLSCM

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“…Their models aimed to minimise only the inventory costs of the LT-based network in a context of continuous customer demand, without considering routing costs. This same objective has been the subject of several works such as those of [5][6][7][8][9][10].…”

Section: Introductionmentioning

confidence: 90%

Analysis of the effects of Lead-Time variation and Lateral Transshipment insertion in a Supply Chain Network

Sakhri

Tlili

Korbaa

2021

Preprint

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In a supply chain, inventory is the single largest source of costs for a company. This is due to the various physical and informational activities that accompany inventory management, primarily the holding and transportation of inventory. Companies are looking to streamline these activities and minimize the associated costs. One of the most coveted models to jointly solve these two problems is the Inventory Routing Problem (IRP), which will be the focus of this study. This paper addresses the case of a deterministic replenishment demand in a distribution network consisting of a supplier and a number of customers to be served by a single vehicle over a finite planning horizon. We will first study the impact of increasing supplier lead times on network costs. Then, we will study the effects of the Lateral Transshipment (LT) technique on the overall network cost. A mathematical model is developed and solved by an exact method. The results obtained will show that LT is an effective tool capable of improving the total network cost and balancing the customers’ inventory level.

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“…They also compared their results with a classical policy of no lateral shipments. Tlili, Moalla, & Campagne [18] proposed an empirical simulation of an inventory model based on three components: the optimization inventory model, the transshipment policy and the rationing policies to minimize total system cost to define the effective parameters on transshipment benefits. Firouz, Keskin, & Melouk [19] considered a problem considering multi-sourcing, supplier selection, and inventory problem with lateral transshipments by a decomposition-based heuristic algorithm, along with a simulation model to minimize total cost.…”

Section: Literature Reviewmentioning

confidence: 99%

A Sustainability Comparison of Traditional Supply Chains and Physical Internet Supply Chains Using Simulation

Gözaçan

Kabadurmuş

2019

Celal Bayar Üniversitesi Fen Bilimleri Dergisi

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Sustainability is one of the most important topics that should be considered by every sector because it helps to reduce the harmful environmental effects of operations. Supply chain operations have significant impacts on environmental, social and economic issues, and therefore, sustainable supply chains have become an important issue for the companies. Also, Physical Internet (PI) is one of the recent research topics in supply chain literature and it helps to provide sustainability. The contribution of this study to the literature is the comparison of traditional supply chain and PI structures with simulation in terms of sustainability. The simulation models are tested on realistic but hypothetical case studies. Each simulation model consists of three echelons (supplier, distribution center and retailer) and is developed by using ARENA 14.0 software. The PI and the traditional are compared according to carbon emissions, and the results are discussed in detail. The results show that the emission level of PI is significantly lower than the emission level of traditional supply chain structures. Also, larger vehicle capacity reduces the total carbon emissions in both traditional supply chains and PI due to the reduced number of trips.

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The trans-shipment problem in a two-echelon, multi-location inventory system with lost sales

Cited by 15 publications

References 16 publications

Modeling a closed-loop vaccine supply chain with transshipments to minimize wastage and threats to the public: a system dynamics approach

Modeling a closed-loop vaccine supply chain with transshipments to minimize wastage and threats to the public: a system dynamics approach

Analysis of the effects of Lead-Time variation and Lateral Transshipment insertion in a Supply Chain Network

A Sustainability Comparison of Traditional Supply Chains and Physical Internet Supply Chains Using Simulation

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