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727 Results Found

  • Article
  • Open Access
5 Citations
2,334 Views
19 Pages

7 January 2024

This paper considers a make-to-order production–inventory system that comprises a production facility and an inventory warehouse. Customers arrive at the facility to place an order, and the orders are processed using the first-come-first-served...

  • Article
  • Open Access
9 Citations
5,015 Views
14 Pages

Optimal Production and Inventory Policy in a Multiproduct Bakery Unit

  • Belmiro P. M. Duarte,
  • André M. M. Gonçalves and
  • Lino O. Santos

5 January 2021

The problem of finding optimal production and inventory policies is crucial for companies of the food industry, especially those processing multiple products. Since companies are required to adopt the most efficient solutions to prosper, the operatio...

  • Article
  • Open Access
14 Citations
2,342 Views
16 Pages

Double Sources Queuing-Inventory System with Hybrid Replenishment Policy

  • Agassi Melikov,
  • Ramil Mirzayev and
  • Sajeev S. Nair

11 July 2022

A hybrid replenishment policy in double sources queuing-inventory system is proposed. If the inventory level drops to the reorder point s, then a regular order of the fixed volume Q = S − s is generated to a slow and cheap source, where S denot...

  • Article
  • Open Access
11 Citations
2,950 Views
19 Pages

Two Level Trade Credit Policy Approach in Inventory Model with Expiration Rate and Stock Dependent Demand under Nonzero Inventory and Partial Backlogged Shortages

  • Ali Akbar Shaikh,
  • Leopoldo Eduardo Cárdenas-Barrón,
  • Amalesh Kumar Manna,
  • Armando Céspedes-Mota and
  • Gerardo Treviño-Garza

6 December 2021

In present real life situations, the stock and expiration date directly impact on the demand of an item. In this context, this research work develops an inventory model for stock and expiration rate-dependent demand under a two-level trade credit pol...

  • Feature Paper
  • Article
  • Open Access
8 Citations
3,003 Views
16 Pages

Steady State Analysis of Impulse Customers and Cancellation Policy in Queueing-Inventory System

  • V. Vinitha,
  • N. Anbazhagan,
  • S. Amutha,
  • K. Jeganathan,
  • Gyanendra Prasad Joshi,
  • Woong Cho and
  • Suseok Seo

28 November 2021

This article discusses the queueing-inventory model with a cancellation policy and two classes of customers. The two classes of customers are named ordinary and impulse customers. A customer who does not plan to buy the product when entering the syst...

  • Article
  • Open Access
9 Citations
2,357 Views
35 Pages

8 February 2023

We study an inventory control problem with two storage facilities: a primary warehouse (PW) of limited capacity M, and a subsidiary one (SW) of sufficiently large capacity. Two types of customers are considered: individual customers arriving at (posi...

  • Article
  • Open Access
34 Citations
7,975 Views
19 Pages

25 November 2016

In recent years, emissions from the road transportation industry in China have been increasing rapidly. To evaluate the reduction potential of greenhouse gas and pollutant emissions of the industry in China, its emission inventory was calculated and...

  • Article
  • Open Access
2 Citations
2,342 Views
24 Pages

2 December 2023

We discuss two queueing-inventory systems with catastrophes in the warehouse. Catastrophes occur according to the Poisson process and instantly destroy all items in the inventory. The arrivals of the consumer customers follow a Markovian arrival proc...

  • Article
  • Open Access
1,272 Views
20 Pages

4 December 2025

Addressing two types of supply chain disruptions—frequent short-duration disruptions (e.g., minor natural disasters) and infrequent long-duration disruptions (e.g., geopolitical conflicts, public health crises)—while considering their imp...

  • Article
  • Open Access
7 Citations
4,630 Views
26 Pages

10 June 2020

The research on production, delivery and inventory strategies for perishable products in a two-echelon distribution network integrates the production routing problem (PRP) and two-echelon vehicle routing problem (2E-VRP), which mainly considers the i...

  • Article
  • Open Access
851 Views
24 Pages

Beyond Production-Based Accounting: A Comparative SWOT Analysis of GHG Inventory Frameworks and Their Policy Implications

  • Rodrigo Gil,
  • Carlos Morillas,
  • Jose Traub,
  • Jacobo Ferrer,
  • Sara Martinez and
  • Sergio Alvarez

25 November 2025

The methodology used to attribute greenhouse gas (GHG) emissions to nations profoundly influences perceived climate action burdens, raising critical questions about equity in global climate governance. This study systematically evaluates current prod...

  • Article
  • Open Access
12 Citations
2,801 Views
15 Pages

Perishable Inventory System with N-Policy, MAP Arrivals, and Impatient Customers

  • R. Suganya,
  • Lewis Nkenyereye,
  • N. Anbazhagan,
  • S. Amutha,
  • M. Kameswari,
  • Srijana Acharya and
  • Gyanendra Prasad Joshi

28 June 2021

In this study, we consider a perishable inventory system that has an (s, Q) ordering policy, along with a finite waiting hall. The single server, which provides an item to the customer after completing the required service performance for that item,...

  • Article
  • Open Access
18 Citations
4,836 Views
16 Pages

1 December 2020

This paper studies inventory share policies for sustainable omni-channel e-commerce supply network design by seeking for a good integration policy of online and offline retailers so that the overall supply network reduce its cost, environmental negat...

  • Article
  • Open Access
8 Citations
4,188 Views
34 Pages

Optimal Base-Stock Inventory-Management Policies of Cement Retailers under Supply-Side Disruptions

  • Manik Debnath,
  • Sanat Kr. Mazumder,
  • Md Billal Hossain,
  • Arindam Garai and
  • Csaba Balint Illes

19 September 2023

The current study aims to identify some optimal base-stock inventory-management policies that maximize the expected long-run profitability of cement retailers under potential supply-side disruptions. Unlike existing articles, the proposed economic or...

  • Article
  • Open Access
12 Citations
4,115 Views
26 Pages

14 September 2021

This article considers an inventory model for non-instantaneous deteriorating items with expiration dates, such as seasonal items, first-hand vegetables, and fruits. Interestingly, an inspection will be performed to manage the quality of the items du...

  • Article
  • Open Access
10 Citations
3,776 Views
27 Pages

25 October 2022

Spare parts are the critical operation asset for ensuring a production line keeps going, which significantly improves the performance of manufacturing enterprises. This article pays attention to the joint optimization of spare part management and spa...

  • Article
  • Open Access
2 Citations
1,796 Views
18 Pages

9 September 2024

As firms and consumers engage with environmental issues, decisions for inventory control need to entail this perspective of sustainability. Most green inventory models employ methods such as carbon caps or taxes for dealing with environmental sustain...

  • Feature Paper
  • Article
  • Open Access
2 Citations
2,515 Views
19 Pages

17 March 2024

The equipment in a factory will gradually deteriorate during production, leading to the production of defective products. Without appropriate maintenance, the defect rate will increase over time. Consequently, the production cost will rise, the inven...

  • Article
  • Open Access
18 Citations
5,055 Views
26 Pages

20 September 2020

In this proposed research, clear prospects of a real life marketing scenario, by analyzing a price discount policy and variable demand, are derived. The proposed study presents a production model along with time-dependent and selling price related de...

  • Article
  • Open Access
1 Citations
1,479 Views
18 Pages

26 January 2025

This research investigates the joint optimization of maintenance and spare unit management for series systems composed of multiple heterogeneous units. With advancements in communication and sensing technologies, condition-based maintenance has gaine...

  • Article
  • Open Access
2 Citations
1,938 Views
19 Pages

29 July 2024

Expressway systems play a vital role in facilitating intercity travels for both passengers and freights, which are also a significant source of vehicle emissions within the transportation sector. This study investigates vehicle emissions from express...

  • Article
  • Open Access
13 Citations
2,646 Views
34 Pages

A Learning-Based Optimal Decision Scenario for an Inventory Problem under a Price Discount Policy

  • Alaa Fouad Momena,
  • Mostafijur Rahaman,
  • Rakibul Haque,
  • Shariful Alam and
  • Sankar Prasad Mondal

This paper aims to design an inventory model for a retail enterprise with a profit maximization objective using the opportunity for a price discount facility given by a supplier. In the profit maximization objective, the demand should be increased. T...

  • Article
  • Open Access
2 Citations
10,875 Views
15 Pages

5 January 2025

Abstract: Inventory supply chain planning involves determining the quantity of products to be transported among entities within a specified planning horizon. Often, inventory levels are reviewed at set intervals: (1) Background: In this paper, period...

  • Article
  • Open Access
4 Citations
3,015 Views
18 Pages

17 May 2024

This study uses Stackelberg game theory, considering different combinations of carbon emission reduction policies and that high-carbon-emission enterprises may face various carbon emission reduction regulations, to explore the production inventory pr...

  • Article
  • Open Access
3 Citations
2,257 Views
18 Pages

16 September 2022

This paper investigates a dual-channel retailer’s inventory and pricing integrated decision-making problem over multiple periods. The quantity-sales mode is adopted in the online channel while the unit-sales mode is used offline. The customer d...

  • Article
  • Open Access
6 Citations
2,002 Views
18 Pages

31 May 2023

This paper aims to propose a comprehensive inventory model including pricing, pre-sale incentives, advance sales, trade credit, and carbon tax policies. The novelty of this study lies in its holistic approach to addressing these relevant and practica...

  • Article
  • Open Access
8 Citations
6,827 Views
28 Pages

Applying Simulation Optimization to Minimize Drug Inventory Costs: A Study of a Case Outpatient Pharmacy

  • Chia-Nan Chen,
  • Chin-Hui Lai,
  • Guan-Wei Lu,
  • Ching-Chun Huang,
  • Le-Jean Wu,
  • Hui-Chuan Lin and
  • Ping-Shun Chen

Drug inventory management is an important part of hospital management. The large amounts of drug data in hospitals bring challenges to optimizing the setting values for the safety stock and the maximum inventory of each drug. This study combined a tw...

  • Article
  • Open Access
1,396 Views
22 Pages

On the Number of Customer Classes in a Single-Period Inventory System

  • Mónica López-Campos,
  • Pablo Escalona,
  • Alejandro Angulo,
  • Francisca Recabarren and
  • Raúl Stegmaier

12 May 2024

A common practice in inventory systems with several customers requiring differentiated service levels is to group them into two or three classes, where a customer class is a group of customers with the same preset service level in terms of product av...

  • Article
  • Open Access
6 Citations
3,330 Views
8 Pages

1 December 2021

Along with growing interest in environmental concerns these days, significant academic efforts have been exerted to incorporate sustainability issues into the existing inventory models except for fixed-review interval (i.e., order-up-to models). In t...

  • Feature Paper
  • Article
  • Open Access
2 Citations
2,875 Views
18 Pages

12 November 2021

In this study, we investigate inventory allocation and pricing strategies for retailers by incorporating demand information into the issue of inventory allocation during the presale period. In a presale system, retailers offer presale goods at a pric...

  • Article
  • Open Access
1 Citations
1,426 Views
27 Pages

25 February 2025

Reducing carbon emissions is of immense interest to most modern organizations striving for sustainability. Effective inventory management is crucial for achieving resource optimization and minimizing environmental impact. Very little work has been co...

  • Article
  • Open Access
3 Citations
641 Views
21 Pages

1 August 2025

We introduce I-fp convergence (ideal convergence in fuzzy paranormed spaces) and develop its core theory, including stability results and an equivalence to I*-fp convergence under the AP Property. Building on this foundation, we design an adaptive ba...

  • Article
  • Open Access
15 Citations
7,131 Views
27 Pages

31 January 2022

This paper presents an inventory control problem in a private pharmaceutical distribution company from the Republic of Serbia. The company realizes that distribution within nine neighbouring countries and inventory control in the pharmaceutical suppl...

  • Article
  • Open Access
10 Citations
2,655 Views
16 Pages

Single-Server Queuing-Inventory Systems with Negative Customers and Catastrophes in the Warehouse

  • Agassi Melikov,
  • Laman Poladova,
  • Sandhya Edayapurath and
  • Janos Sztrik

19 May 2023

In this paper, we studied single-server models of queuing-inventory systems (QIS) with catastrophes in the warehouse part and negative customers (n-customers) in service facility. Consumer customers (c-customers) that arrived to buy inventory can be...

  • Article
  • Open Access
26 Citations
4,657 Views
29 Pages

20 February 2021

A single-server queuing-inventory system in which arrivals are governed by a batch Markovian arrival process and successive arrival batch sizes form a finite first-order Markov chain is considered in this paper. Service is provided in batches accordi...

  • Article
  • Open Access
2 Citations
2,790 Views
26 Pages

The imbalance between supply and demand for slot resources and empty containers has led to resource waste and excessive operating costs for liner companies. Moreover, intense competition among ports has made both container ship slots and port equipme...

  • Article
  • Open Access
4 Citations
4,041 Views
15 Pages

7 July 2023

This study presents a novel approach to a mixed-integer linear programming (MILP) model for periodic inventory management that combines reinforcement learning algorithms. The rolling horizon method (RHM) is a multi-period optimization approach that i...

  • Article
  • Open Access
3 Citations
2,094 Views
19 Pages

This study explores the effect of climate policy uncertainty on corporate working capital management efficiency. Investigating this problem may provide advice to mitigate the impact of climate policy uncertainty on firms. We used Chinese A-share list...

  • Article
  • Open Access
3 Citations
4,830 Views
20 Pages

Modelling and Analysis of Hospital Inventory Policies during COVID-19 Pandemic

  • Ateekh Ur Rehman,
  • Syed Hammad Mian,
  • Yusuf Siraj Usmani,
  • Mustufa Haider Abidi and
  • Muneer Khan Mohammed

1 April 2023

The global coronavirus pandemic (COVID-19) started in 2020 and is still ongoing today. Among the numerous insights the community has learned from the COVID-19 pandemic is the value of robust healthcare inventory management. The main cause of many cas...

  • Article
  • Open Access
5 Citations
4,896 Views
15 Pages

7 August 2019

In this study, we investigated the optimal material inventory policy with regard to the iron and steel industry’s effort to reduce massive overstocking issues in the face of increased corporate competitiveness. We gathered actual data, includin...

  • Article
  • Open Access
1 Citations
1,445 Views
30 Pages

28 April 2024

We study a continuous-review stock management of a retailer for a single item in a limited storage (buffer) in a random environment. The stock level fluctuates according to two independent compound Poisson processes with discrete amounts of items (ba...

  • Article
  • Open Access
3 Citations
2,750 Views
16 Pages

A Profit Maximization Inventory Model: Stock-Linked Demand Considering Salvage Value with Tolerable Deferred Payments

  • Amisha Patel,
  • Isha Talati,
  • Ankit D. Oza,
  • Dumitru Doru Burduhos-Nergis and
  • Diana Petronela Burduhos-Nergis

17 October 2022

Every business owner wishes that all sales were made on a cash basis, but in a cutthroat market, it is not always feasible. To entice buyers to purchase their goods, dealers may need to offer sales with credit terms. Unfortunately, selling with defer...

  • Article
  • Open Access
17 Citations
5,559 Views
19 Pages

22 December 2022

Due to the unexpected breakdowns that can happen in various components of a production system, failure to reach production targets and interruptions in the process of production are not surprising. Since this issue remains for manufactured products,...

  • Article
  • Open Access
54 Citations
7,084 Views
22 Pages

10 December 2015

The paper considers the sustainable trade credit and inventory policies with demand related to credit period and the environmental sensitivity of consumers under the carbon cap-and-trade and carbon tax regulations. First, the decision models are cons...

  • Article
  • Open Access
41 Citations
8,562 Views
24 Pages

1 November 2018

This study aims to deepen the understanding of the role of the urban mobility sector in the current and future greenhouse gas (GHG) emissions of a middle-sized city of Brazil, which is also a developing economy. With the cross-reference between road...

  • Article
  • Open Access
19 Citations
5,972 Views
21 Pages

Omni-Chanel Network Design towards Circular Economy under Inventory Share Policies

  • Damla İzmirli,
  • Banu Y. Ekren,
  • Vikas Kumar and
  • Siwarit Pongsakornrungsilp

7 March 2021

In this paper, we study inventory share policies in an omni-channel supply network, to contribute to the circular economy (CE) concept. Lateral inventory share implementation provides flexibility and profitability in the supply chain by allowing inve...

  • Article
  • Open Access
17 Citations
3,314 Views
22 Pages

The Role of the Discount Policy of Prepayment on Environmentally Friendly Inventory Management

  • Shirin Sultana,
  • Abu Hashan Md Mashud,
  • Yosef Daryanto,
  • Sujan Miah,
  • Adel Alrasheedi and
  • Ibrahim M. Hezam

Nowadays, more and more consumers consider environmentally friendly products in their purchasing decisions. Companies need to adapt to these changes while paying attention to standard business systems such as payment terms. The purpose of this study...

  • Article
  • Open Access
5 Citations
8,684 Views
17 Pages

24 February 2025

Perishable goods have a limited shelf life, and inventory should be discarded once it exceeds its shelf life. Finding optimal inventory management policies is essential since inefficient policies can lead to increased waste and higher costs. While ma...

  • Article
  • Open Access
8 Citations
4,887 Views
27 Pages

Analysis of Variance Amplification and Service Level in a Supply Chain with Correlated Demand

  • Ahmed Shaban,
  • Mohamed A. Shalaby,
  • Giulio Di Gravio and
  • Riccardo Patriarca

11 August 2020

The bullwhip effect reflects the variance amplification of demand as they are moving upstream in a supply chain, and leading to the distortion of demand information that hinders supply chain performance sustainability. Extensive research has been und...

  • Article
  • Open Access
10 Citations
2,471 Views
19 Pages

Autonomated Inspection Policy for Smart Factory—An Improved Approach

  • Bimal Kumar Sett,
  • Bikash Koli Dey and
  • Biswajit Sarkar

16 October 2020

The proposed model focuses on an imperfect production process (IPP) in which, during long-term production, the system may change to an “out-of-control” state from an “in-control” state and produce some imperfect products becau...

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