Search Results - subject_exact:"Inventory control model"

The theory of storage in a power system with stochastic demand

Biggar, Darryl; Hesamzadeh, Mohammad Reza - 2026

Persistent link: https://www.econbiz.de, ebvufind01.dmz1.zbw.eu/10015620550

Newsvendor's supply chain design considering non-survival risks

Benedito, Ernest; Corominas, Albert - 2026

Purpose: We consider the long-term survival of the newsvendor's supply chain (SC). In this regard, the main contribution of this paper is to identify and analyze two risks that threaten it, both derived from the random nature of the demand, which is inherent in the definition of the newsvendor...

Persistent link: https://www.econbiz.de, ebvufind01.dmz1.zbw.eu/10015627285

The two-echelon multicommodity location-routing problem with stochastic and correlated demands

Escobar-Vargas, David; Crainic, Teodor Gabriel; Rei, Walter - 2026

Persistent link: https://www.econbiz.de, ebvufind01.dmz1.zbw.eu/10015613599

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The two-echelon multicommodity location-routing problem with stochastic and correlated demands

Escobar-Vargas, David; Crainic, Teodor Gabriel; Rei, Walter - 2023

Book / Working Paper

Positioning of omnichannel inventories to protect revenue

Hassanzadeh, Alborz; Martínez-de-Albéniz, Victor - 2026

Persistent link: https://www.econbiz.de, ebvufind01.dmz1.zbw.eu/10015604532

Perishable inventory management under inventory level- and freshness-dependent demand and backroom effect

Senyuva, Ilgin Efe; Drent, Melvin; Atan, Zumbul - 2026

Persistent link: https://www.econbiz.de, ebvufind01.dmz1.zbw.eu/10015605917

The price of delay : supply chain disruptions and pricing dynamics

Baslandze, Salome; Fuchs, Simon - 2026 - Original version: August 2025, this version: March 2026

We study how supply chain disruptions shape consumer prices. We develop a simple model showing how disruptions that cause delivery delays affect pricing through product availability, beyond standard cost pass-through, and extend it to a setting with strategic interactions across firms....

Persistent link: https://www.econbiz.de, ebvufind01.dmz1.zbw.eu/10015609841

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The price of delay : supply chain disruptions and pricing dynamics

Baslandze, Salomé; Fuchs, Simon - 2025

Book / Working Paper

The price of delay : supply chain disruptions and pricing dynamics

Baslandze, Salome; Fuchs, Simon - 2025

Book / Working Paper

The price of delay : supply chain disruptions and pricing dynamics

Baslandze, Salomé; Fuchs, Simon - 2025

Book / Working Paper

Determining the optimal order quantity for perishable products affected by stochastic transportation delays

Banthita Kanchanasathita; Atchara Wangpa; Apisit Pitakcheun - 2026

Background: Transportation delays pose significant challenges for perishable products by reducing freshness, shortening selling duration, and causing lost sales during the delay. Methods: Motivated by the growing importance of transportation delays on perishable products, this study develops a...

Persistent link: https://www.econbiz.de, ebvufind01.dmz1.zbw.eu/10015611747

A machine learning and multi-criteria decision-making approach to cycle counting

Vaccari, Laura; Balugani, Elia; Lolli, Francesco; … - 2026

Background: Inventory record inaccuracy (IRI) causes discrepancies between physical and digital inventories, leading to production delays and customer dissatisfaction. Cycle counting, in this context, is a common corrective action. Pareto-based ABC analysis is widely used to decide which items...

Persistent link: https://www.econbiz.de, ebvufind01.dmz1.zbw.eu/10015611797

Targeting toward optimal inventory in automotive industry : an analysis based on Six Sigma methodology

Puiu, Ionela-Roxana; Petre, Ioana Mădălina; … - 2026

Background: This paper presents an analysis and a structured framework for improving inventory accuracy in an automotive factory, considering the current context of global disruptions. In 2023, the company recorded 20,340 inventory adjustments (1695 per month) and a 0.24% monthly net value...

Persistent link: https://www.econbiz.de, ebvufind01.dmz1.zbw.eu/10015611799

Dynamic pricing and inventory control for fresh agricultural products under dual channel

Wang, Xiongzhi; Tang, Fangling - 2026

This study investigates a joint pricing and inventory control problem for fresh agricultural products within dual channels. Considering factors such as service level, holding/lost costs, and consumer demand, this study presents a single-period model, followed by two stochastic dynamic...

Persistent link: https://www.econbiz.de, ebvufind01.dmz1.zbw.eu/10015637502

A metaheuristic approach to supply chain inventory optimization with rebates, discounts, and emission controls

Saurav, Ankur; Shekhar, Chandra; Yadav, Vijender - 2026

This study develops a sustainable production-inventory model that integrates advance booking, rebate incentives, and green investments under carbon cap-and-trade regulations, aiming to optimize profit while ensuring environmental sustainability. The model accounts for time- and price-sensitive...

Persistent link: https://www.econbiz.de, ebvufind01.dmz1.zbw.eu/10015640884

A mixed-integer optimization approach to E-tailing supply chain resilience through substitution and transshipment

Karimi, Ayar; Hassani, Omid Boyer; Tavakkoli-Moghaddam, Reza - 2026

Efficient order fulfillment in e-tailing networks is increasingly challenged by inventory shortages, dispersed fulfillment centers, and heterogeneous customer preferences. This study develops a mixed-integer programming model that jointly optimizes order allocation, substitution, and lateral...

Persistent link: https://www.econbiz.de, ebvufind01.dmz1.zbw.eu/10015640933

An analytical review of vendor-managed inventory models in sustainable supply chains

Salas-Navarro, Katherinne; Rojano-Flores, Melissa; … - 2026

A vendor-managed inventory system is a collaborative strategy in network logistics. It helps establish a sourcing and inventory control policy that optimizes logistics costs and enhances the efficient use of resources. This research presents a meta-analysis and systematic literature review of...

Persistent link: https://www.econbiz.de, ebvufind01.dmz1.zbw.eu/10015640955

Optimizing inventory in convenience stores to maximize ROI using random forest and genetic algorithms

Zavaleta-Zarate, Kelly; Escobal-Vera, Jesus; … - 2026

Background: Convenience stores face volatile demand and a direct trade-off between stock-outs and overstocking, both of which affect service levels and profitability. This study aims to optimize inventory management through a reproducible forecasting-and-optimization workflow, assessing its...

Persistent link: https://www.econbiz.de, ebvufind01.dmz1.zbw.eu/10015647577

A hybrid learning framework for forecasting uncertainty and adaptive inventory planning in retail supply chains

Mohammed, Zizi; Anas, Chafi; El Hammoumi, Mohammed - 2026

Demand forecasting and quantification of uncertainty is an essential asset of the retail supply chain optimization and risk-based inventory decisions. This study will introduce a new hybrid conditional variance model (combining gradient boosting machines (XGBoost, LightGBM), recurrent neural...

Persistent link: https://www.econbiz.de, ebvufind01.dmz1.zbw.eu/10015640863

An analytics-driven hybrid method for multi-item demand forecasting in supply chains

Lingkon, Md. Limonur Rahman; Hossain, Md. Sanowar; … - 2026

This study proposes a new deep learning (DL)-based approach for multi-item demand forecasting in multi-wave distribution networks. In modern merchandising supply systems, traditional forecasting techniques such as moving averages and autoregressive integrated moving average (ARIMA) models are...

Persistent link: https://www.econbiz.de, ebvufind01.dmz1.zbw.eu/10015640893

A data-driven problem for integrating carbon-sensitive pricing into inventory optimization

Zemzami, Maria; Duong, Van Tien; Nguyen Nhan Quy; … - 2026

In the face of increasingly stringent carbon regulations and volatile energy markets, integrating environmental constraints into inventory optimization problems raises crucial questions: Is it always economically justified? And what level of problem complexity is appropriate? This paper proposes...

Persistent link: https://www.econbiz.de, ebvufind01.dmz1.zbw.eu/10015654277

Have we got news for you : theory and evidence on firms' optimal expected capacity utilization

Amberg, Niklas; Friberg, Richard; Liu, Xiang; Syverson, Chad - 2026

We use quarterly micro data on capacity utilization among Swedish manufacturing firms to show that idiosyncratic factors are more important than aggregate influences in explaining variation in capacity utilization across firms and over time. Idiosyncratic does not mean unpredictable, however. A...

Persistent link: https://www.econbiz.de, ebvufind01.dmz1.zbw.eu/10015654782

On the value of warehouse sharing in an inventory system for medical consumables

Yu, Yugang; Guo, Dandan; Zheng, Shengming - 2026

This paper investigates the value of warehouse sharing when a third-party service provider (3PS) manages medical consumables inventory instead of hospitals. With the advancement of information technology, the 3PS commonly establish central warehouses to facilitate horizontal collaboration,...

Persistent link: https://www.econbiz.de, ebvufind01.dmz1.zbw.eu/10015655281

Markov decision processes for inland empty container inventory management

Sommer, Benedikt; Lee, Sangmin; Holst, Klaus Kähler; … - 2025

Persistent link: https://www.econbiz.de, ebvufind01.dmz1.zbw.eu/10015333720

A multi-type ship allocation and routing model for multi-product oil distribution in Indonesia with inventory and cost minimization considerations : a mixed-integer linear programming approach

Marudut Sirait; Peerayuth Charnsethikul; Naraphorn … - 2025

Background: Indonesia is an archipelagic country with 17,508 islands spread over the Pacific and Indian Oceans, with thousands of inter-island routes requiring a large and engaged fleet. The vast expanse of the country also leads to challenges related to optimal fleet coverage, routing, and oil...

Persistent link: https://www.econbiz.de, ebvufind01.dmz1.zbw.eu/10015337482

Enhancing intermittent spare part demand forecasting : a novel ensemble approach with focal loss and smote

Kenaka, Saskia Puspa; Cakravastia, Andi; Ma'ruf, Anas; … - 2025

Background: Accurate inventory management of intermittent spare parts requires precise demand forecasting. The sporadic and irregular nature of demand, characterized by long intervals between occurrences, results in a significant data imbalance, where demand events are vastly outnumbered by...

Persistent link: https://www.econbiz.de, ebvufind01.dmz1.zbw.eu/10015337499

The role of inventory in firm resilience to the Covid-19 pandemic

Dodd, Olga; Liao, Shushu - 2025

Persistent link: https://www.econbiz.de, ebvufind01.dmz1.zbw.eu/10015338133

Joint dynamic pricing and marketing-mix strategies for revenue management applications with stochastic demand

Schlosser, Rainer; Chenavaz, Régis Y. - 2025

Persistent link: https://www.econbiz.de, ebvufind01.dmz1.zbw.eu/10015338223

Integrated and sequential algorithms for the robust two-echelon location-routing problem under demand uncertainty

Ali, Ousmane; Côté, Jean-François; Coelho, Leandro C. - 2025

Persistent link: https://www.econbiz.de, ebvufind01.dmz1.zbw.eu/10015481573

An inventory model with price-, time- and greenness-sensitive demand and trade credit-based economic communications

Hossain, Musaraf; Rahaman, Mostafijur; Alam, Shariful; … - 2025

Background: Price is the most authoritative constituent among the factors shaping consumer demand. Growing consciousness among global communities regarding environmental issues makes greenness one of the key factors controlling demand, along with time, which drives demand in markets. This paper...

Persistent link: https://www.econbiz.de, ebvufind01.dmz1.zbw.eu/10015492720

Optimal inventory planning at the retail level, in a multi-product environment, enabled with stochastic demand and deterministic lead time

Barrera-Sánchez, Andrés Julián; García-Cáceres, … - 2025

Background: Inventory planning in retail supply chains requires balancing cost efficiency and service reliability under demand uncertainty and financial limitations. The literature has seldom addressed the joint integration of stochastic demand, deterministic lead times, and supplier-specific...

Persistent link: https://www.econbiz.de, ebvufind01.dmz1.zbw.eu/10015492726

On non-negative auto-correlated integer demand processes

Hezewijk, Lotte van; Dellaert, Nico; Jaarsveld, Willem van - 2025

Persistent link: https://www.econbiz.de, ebvufind01.dmz1.zbw.eu/10015458653

Uncapacitated multi-item lot sizing with shipment minimization

Turkensteen, Marcel; Heuvel, Wilco van den - 2025

Persistent link: https://www.econbiz.de, ebvufind01.dmz1.zbw.eu/10015460295

Using the route planning for supplying spare parts to reduce distribution costs : a case study in a roadside assistance company

Shafaei, Abolfazl; Jokar, Mohammad R. Akbari; Rafiee, Majid - 2025

Persistent link: https://www.econbiz.de, ebvufind01.dmz1.zbw.eu/10015442362

Optimal ordering for Product-as-a-Service models with circular economy practices

Vishkaei, Behzad Maleki - 2025

Persistent link: https://www.econbiz.de, ebvufind01.dmz1.zbw.eu/10015445289

Integrated inventory and capacity management for hydrogen production under consideration of fluctuating electricity prices

Ramadasu, Venugopal; Reiner, Gerald - 2025

Persistent link: https://www.econbiz.de, ebvufind01.dmz1.zbw.eu/10015445364

An analytics-driven economic order quantity model integrating fuzzy learning for deteriorating imperfect items in sustainable supply chains

Palanivel, M.; Venkadesh, M.; Vetriselvi, S.; Suganya, M. - 2025

This study presents an advanced Economic Order Quantity inventory model that integrates intuitionistic fuzzy sets and fuzzy learning to enhance decision-making under environmental uncertainty. The model systematically incorporates green technology adoption and accounts for the uncertain impact...

Persistent link: https://www.econbiz.de, ebvufind01.dmz1.zbw.eu/10015445395

Optimal and near-optimal control of a capacitated assemble-to-order system with component commonality and backordered demands

Fang, Jianxin; ElHafsi, Mohsen - 2025

Persistent link: https://www.econbiz.de, ebvufind01.dmz1.zbw.eu/10015445447

Approximation algorithms for dynamic inventory management on networks

DeValve, Levi; Myles, Jabari - 2025

Persistent link: https://www.econbiz.de, ebvufind01.dmz1.zbw.eu/10015447214

A closed-form solution approach for optimal reorder point in economic order quantity models with uncertain demands

Jadidi, Omid; Firouzi, Fatemeh; Sorooshian, Shahryar - 2025

The reorder point formula in the Economic Order Quantity (EOQ) model traditionally assumes that demand during the lead-time follows a normal distribution. However, this assumption presents several challenges. First, alternative probability distributions may better capture demand patterns for...

Persistent link: https://www.econbiz.de, ebvufind01.dmz1.zbw.eu/10015506763

An analytical review of predictive methods for delivery delays in supply chains

Müller, Norman; Burggräf, Peter; Steinberg, Fabian; … - 2025

Predicting delivery delays is crucial for companies, especially in times of increasing global uncertainty and vulnerable supply chains. Machine learning (ML) offers significant potential to improve the forecast performance and quality of delivery delay prediction. Although various prediction...

Persistent link: https://www.econbiz.de, ebvufind01.dmz1.zbw.eu/10015519713

A two-period game-theoretic model for the equilibrium decisions in the presence of strategic inventory in supply chain management

Saha, Subrata - 2025

Investment efforts by the upstream manufacturer and the downstream retailer to stimulate sales are prevalent in different industries. Likewise, the downstream retailers could hold inventory strategically as a bargaining chip to induce the upstream manufacturer to reduce future wholesale prices...

Persistent link: https://www.econbiz.de, ebvufind01.dmz1.zbw.eu/10015519716

An inventory optimization model for reliable and sustainable supply chains under trade credit and carbon constraints

Saurav, Ankur; Yadav, Vijender; Shekhar, Chandra - 2025

The adoption of environmentally sound supply chain management strategies is gaining prominence in response to increasing sustainability efforts in emerging economies. As global environmental degradation escalates, industries are compelled to replace conventional products with green and reliable...

Persistent link: https://www.econbiz.de, ebvufind01.dmz1.zbw.eu/10015519763

A multi-objective analytical framework for sustainable blood supply chain optimization

Mansur, Agus; Hidayat, Taufiq; Rizky, Novrianty; … - 2025

This study presents a multi-objective optimization model for blood supply chain (BSC) management, aiming to maximize total profit and fulfillment rate and minimize carbon emissions. The model is formulated as a mixed-integer linear program (MILP) and solved using the weighted sum method. The...

Persistent link: https://www.econbiz.de, ebvufind01.dmz1.zbw.eu/10015519774

An EPQ-based optimization approach to variable-rate screening in supply chain production systems

Nobil, Amir Hossein; Nobil, Erfan; Rodríguez Calvo, … - 2025

This study presents a comprehensive framework for optimizing the Economic Production Quantity (EPQ) with variable screening rates under two distinct inspection scenarios: Sufficient-Inspection-Rate (IRS) and Insufficient-Inspection-Rate (IRI). In the IRS scenario, the production system employs a...

Persistent link: https://www.econbiz.de, ebvufind01.dmz1.zbw.eu/10015519781

Discrete-time EOQ with lost sales, binomial demand, and geometric lead time : inventory level distribution and performance analysis

Gebennini, Elisa; Grassi, Andrea; Santillo, Liberatina … - 2025

Persistent link: https://www.econbiz.de, ebvufind01.dmz1.zbw.eu/10015466644

Optimal policy characterization for a class of multi-dimensional ergodic singular stochastic control problems

Calvia, Alessandro; Cannerozzi, Federico; Ferrari, Giorgio - 2025

In ergodic singular stochastic control problems, a decision-maker can instantaneously adjust the evolution of a state variable using a control of bounded variation, with the goal of minimizing a long-term average cost functional. The cost of control is proportional to the magnitude of...

Persistent link: https://www.econbiz.de, ebvufind01.dmz1.zbw.eu/10015472838

Stockpiling and shortages

Klumpp, Tilman; Su, Xuejuan - 2025

Persistent link: https://www.econbiz.de, ebvufind01.dmz1.zbw.eu/10015473030

Dynamic inventory and pricing control of a perishable product with multiple shelf life phases

Moshtagh, Mohammad Sadegh; Zhou, Yun; Verma, Manish - 2025

Persistent link: https://www.econbiz.de, ebvufind01.dmz1.zbw.eu/10015449742

European inventory of NQFs 2024 : Italy

2025

Cedefop's work on qualifications frameworks dates back to 2003. The Centre has contributed to the conceptual development of the European Qualifications Framework (EQF) and has supported its further implementation, working alongside national authorities and stakeholders to introduce and develop...

Persistent link: https://www.econbiz.de, ebvufind01.dmz1.zbw.eu/10015452390

European inventory of NQFs 2024 : Hungary

2025

Cedefop's work on qualifications frameworks dates back to 2003. The Centre has contributed to the conceptual development of the European Qualifications Framework (EQF) and has supported its further implementation, working alongside with the of national authorities and stakeholders to introduce...

Persistent link: https://www.econbiz.de, ebvufind01.dmz1.zbw.eu/10015452395

European inventory of NQFs 2024 : Greece

2025

Persistent link: https://www.econbiz.de, ebvufind01.dmz1.zbw.eu/10015452396

European inventory of NQFs 2024 : Finland

2025

Persistent link: https://www.econbiz.de, ebvufind01.dmz1.zbw.eu/10015452964

European inventory of NQFs 2024 : Lithuania

2025

Cedefop's work on qualifications frameworks dates back to 2003. The Centre has contributed to the conceptual development of the European qualifications framework (EQF) and has supported its further implementation, working alongside with the of national authorities and stakeholders to introduce...

Persistent link: https://www.econbiz.de, ebvufind01.dmz1.zbw.eu/10015453035