Publications associées à Formule de Wilson

Optimizing Sales Forecasting, Inventory, Pricing and Sourcing Decisions

In this thesis we address various factors that contribute both theoretically and practically to mitigating supply demand mismatches. The thesis is composed of three chapters, where each chapter is an independent scientific paper. In the first paper, we dev ...

EPFL2023

Utilizing additive manufacturing and mass customization under capacity constraints

Ralf Seifert, Anna Timonina-Farkas, Rachel Agnès Laetitia Rosemonde Marie Lacroix

Additive manufacturing (AM), originally used for prototyping, is increasingly adopted for custom final part production across different industries. However, printing speed and production volume are two barriers for the adoption of AM for product customizat ...

2023

Industry 4.0 Technologies and Customer-centricity for Digital Supply Chains

Rachel Agnès Laetitia Rosemonde Marie Lacroix

The last few years have experienced the emergence of Industry 4.0 (I4.0), ultra-customization, and the explosion of demand for ethical, fair trade, and sustainable consumption. Organizations have therefore started a digital transformation of their SCs and ...

EPFL2021

Product assortment and space allocation strategies to attract loyal and non-loyal customers

Ralf Seifert, Anna Timonina-Farkas, Argyro Katsifou

Assortment planning deserves much attention from practitioners and academics due to its direct impact on retailers' commercial success. In this paper we focus on the increasingly popular retail practice to use combined product assortments with both "standa ...

2020

Optimization of sample size and order size in an inventory model with quality inspection and return of defective items

Naoufel Cheikhrouhou, Rafael Batista

To ensure all products as perfect, inspection is essential, even though it is not possible to inspect all products after producing them like some special type products as plastic joint for the water pipe. In this direction, this paper develops an inventory ...

SPRINGER2018

Supply Chain Disruption Risk Management : Modeling Risk Mitigation Strategies

Florian Christopher Matthias Lücker

It is well established that firms are exposed to the risk of supply chain disruptions. Many firms build risk mitigation strategies in order to increase the resilience of their supply chains. In this dissertation we present three essays that study operation ...

EPFL2016

Dual sourcing under heavy-tailed demand: an extreme value theory approach

Isik Bicer

We consider a single-period dual-sourcing problem in which a buyer purchases its products from two different suppliers and sells them to a market with uncertain demand. One supplier is cheaper but less responsive, whereas the other supplier is more respons ...

Taylor & Francis Ltd2015

A production planning in highly automated manufacturing system considering multiple process plans with different energy requirements

Paul Xirouchakis, Yong Chan Choi

This paper focuses on a production planning problem in a highly automated manufacturing system considering multiple process plans with different energy requirements. The system consists of several closely interconnected sub-systems such as the processing s ...

Springer London Ltd2014

Trust and Inventory Replenishment Decision Under Continuous Review System

Amin Kaboli

This thesis examines the impact of inventory manager’ trust on their replenishment decision. We conduct this study in the experimental environment and design an experiment with unknown market demand, local information, and under continuous replenishment re ...

EPFL2013

A three-echelon supply chain with price-only contracts and sub-supply chain coordination

Ralf Seifert, Shuangqing Liao

This paper studies coordination in a three-echelon supply chain and examines the impact of sub-supply chain coordination (sub-coordination). Our analysis is based on the price-only contracts that are commonly used in practice. The model is of the newsvendo ...

2012

Optimal inventory policies with non-stationary supply disruptions and advance supply information

Bilge Atasoy

We consider the production/inventory problem of a manufacturer (or a retailer) under non-stationary and stochastic supply availability. Although supply availability is uncertain, the supplier would be able to predict her near future shortages and hence sup ...

2012

Interrelating operational and financial performance measurements in inventory control

Ralf Seifert, Margarita Protopappa

Financial supply chain management and working capital management are increasingly receiving attention as important avenues to increase profitability in supply chains. By actively managing payment terms and working capital requirements, managers can influen ...

2010

Interrelating Operational and Financial Performance Measurements in Inventory Control

Ralf Seifert

Financial supply chain management and working capital management are increasingly receiving attention as important avenues to increase profitability in supply chains. By actively managing payment terms and working capital requirements, managers can influen ...

2008

Satisfying Customer Preferences via Mass Customization and Mass Production

Ralf Seifert

Two operational formats namely mass customization and mass production can be implemented to satisfy customer preference-based demand. The mass customization system consists of two stages: the initial build-to-stock phase and the final customize-to-order ph ...

2006