benjamin legros

Benjamin LEGROS

Paris

Professeur en Finance

Présentation

Benjamin Legros est professeur associé en Finance et a rejoint l’EM Normandie en 2017. Il est titulaire d’un doctorat en sciences de gestion de l'Ecole CentraleSupélec obtenu en 2013. Sa thèse porte sur l’optimisation des flux dans les centres d’appels multicanaux. Ses recherches portent sur les modèles stochastiques avec des applications orientées sur les technologies des centres de contact et la finance.

Expérience professionnelle

Depuis 2017 : enseignant chercheur en finance, EM Normandie
2009-2017 : enseignant en finance, Ecole CentraleSupélec
2009-2017 : enseignant en finance, Paris School of Business

Département
Supply Chain & Management Digital
Matières enseignées
Analyse Financière Finance
Diplômes
2013 : Doctorat en sciences de gestion, Ecole CentraleSupélec

Publications

  • Legros, B 2013, 'Optimization of multi-channel and multi-skill call centers', Thèse de doctorat en sciences de gestion, Ecole CentraleSupélec, Paris, France.

    2013

    Thèse de doctorat/HDR

  • Legros, B & Fransoo, J 2024, 'Admission and pricing optimization of on-street parking with delivery bays', European Journal of Operational Research, vol. 312, issue 1, janvier,  pp. 138-149. FNEGE : 1 ; ABS : 4.

    2024

    Articles académiques

  • Mhiri, M, Al-Yafi, K, Haouari, M, Legros, B & Jouini, O (à paraître), 'A Blockchain-Based Framework to Optimize Shipping Container Flows in the Hinterland', International Transactions in Operational Research. FNEGE : 4 ; ABS : 1

    2023

    Articles académiques

  • Legros, B 2023, 'Dynamic policy for idling time preservation', Naval Research Logistics, vol. 70, Issue 1, February, pp. 53-71. ABS : 3.

    2023

    Articles académiques

  • Legros, B 2022, 'The transient blended queue', Operations Research Letters, vol. 50, issue 3, May, pp. 287-294. CNRS : 2 ; HCERES : A ; ABS 2.

    2022

    Articles académiques

  • Legros, B 2022, 'The principal-agent problem for service rate event-dependency', European Journal of Operational Research, vol. 297, issue 3, pp. 949-963. CNRS : 1 ; FNEGE : 1  ; ABS : 4 ; HCERES : A.

    2022

    Articles académiques

  • Jouini, O, Benjaafar, S, Lu, B, Li, S & Legros, B 2022, 'Appointment-driven queueing systems with non-punctual customers', Queueing Systems, vol. 101, pp. 1–56. ABS : 2.

    2022

    Articles académiques

  • Legros, B 2021, 'Routing analyses for call centers with human and automated services', International Journal of Production Economics, vol. 240, 108-247. CNRS : 1 ; FNEGE : 1 ; ABS : 3 ; HCERES : A.

    2021

    Articles académiques

  • Legros, B 2021, 'Age-based Markovian approximation of the G/M/1 queue', Operations Research Letters, vol. 49, issue 5, septembre, pp. 708-714. CNRS : 2 ; HCERES : A ; ABS : 2.

    2021

    Articles académiques

  • Legros, B (à paraître), 'Dimensioning a queue with state-dependent arrival rates', Computers & Operations Research. CNRS : 2 ; HCERES : A.

    2021

    Articles académiques

  • Abhishek, A, Legros, B & Fransoo, J 2021, 'Performance Evaluation of Stochastic Systems with Dedicated Delivery Bays and General On-street Parking', Transportation Science, vol. 55, issue 5, pp. 969-1225. CNRS : 2 ; HCERES : A ; ABS : 3.

    2021

    Articles académiques

  • Legros, B 2021, 'Transient analysis of an affine Queue-Hawkes process', Operations Research Letters, vol. 49, Issue 3, May 2021, pp. 393-399. CNRS : 2 ; HCERES : A ; ABS : 2.

    2021

    Articles académiques

  • Legros, B 2021, 'Agents' self-routing for blended operations to balance inbound and outbound services', Production and Operations Management, vol.30, issue 10, pp. 3599-3614. CNRS : 1 ; FNEGE : 1 ; ABS : 4 ; HCERES : A - FT50.

    2021

    Articles académiques

  • Legros, B, Oualid Jouini, Z.A, & Koole, G 2020, 'Front-office multitasking between service encounters and back-office tasks', European Journal of Operational Research (EJOR), vol.287, Issue 3, December, pp. 946-963. CNRS : 1 ; FNEGE : 1 ; ABS : 4

    2020

    Articles académiques

  • Kooki, C, Legros, B, Babai, Z & Jouini, O 2020, 'Analysis of base-stock perishable inventory systems with general lifetime and lead-time', European Journal of Operational Research (EJOR), vol. 287, Issue 3, December, pp. 901-915. CNRS : 1 ; FNEGE : 1 ; ABS : 4

    2020

    Articles académiques

  • Legros, B 2020, 'Late-rejection, a strategy to perform an overflow policy', European Journal of Operational Research, vol. 281, no. 1, pp. 66-76. CNRS: 1; FNEGE: 1; HCERES: A; ABS 4

    2020

    Articles académiques

  • Legros, B, Jouini, O & Koole, G 2020, ‘Should we wait before outsourcing? Analysis of a revenue-generating blended contact center’, Manufacturing & Service Operations Management, vol. 23, issue 5, pp. 1005-1331. CNRS : 2 ; FNEGE: 1; HCERES: A ABS 3 

    2020

    Articles académiques

  • Legros, B 2019, ‘Dynamic repositioning strategy in a bike-sharing system; how to prioritize and how to rebalance a bike station’, European Journal of Operational Research, vol. 272, no. 2, pp. 740-753. CNRS: 1; FNEGE: 1; HCERES: A ; ABS 4 

    2019

    Articles académiques

  • Legros, B & Jouini, O 2019, ‘On the scheduling of operations in a chat contact center’, European Journal of Operational Research, vol. 274-1, April, pp. 303-316. CNRS: 1; FNEGE: 1; HCERES: A ; ABS 4

    2019

    Articles académiques

  • Legros, B 2019, 'Transient analysis of a Markovian queue with deterministic rejection', Operations Research Letters, vol. 47, no. 5, pp. 391-397. CNRS: 2; HCERES: A; ABS 2 

    2019

    Articles académiques

  • Legros, B, Bouchery, Y & Fransoo, J 2019, 'A time-based policy for empty container management by the consignees', Production and Operations Management, vol. 28, no.6, pp. 1503-1527. CNRS : 1 ; FNEGE : 1 ; HCERES A; ABS 4

    2019

    Articles académiques

  • Legros, B 2018, 'Waiting time based routing policies to parallel queues with percentiles objectives', Operations Research Letters, vol. 46, no. 3, pp.356-361, April.; CNRS: 2; HCERES: A; ABS 2 

    2018

    Articles académiques

  • Legros, B, Jouini, O & Koole, G 2018, 'A uniformization approach for the dynamic control of queueing systems with abandonments', Operations Research, vol. 66, no. 1, pp.200-209; CNRS: 1; FNEGE: 1; HCERES: A; ABS 4*

    2018

    Articles académiques

  • Legros, B, Ding, S, Van den Mei, R & Jouini, O 2017, 'Call centers with a postponed callback offer', OR Spectrum, vol. 39, no. 4, pp.1097-1125, October.; CNRS: 3; HCERES: B; ABS 3

    2017

    Articles académiques

  • Legros, B 2017, 'Reservation, a tool to reduce the balking effect and the probability of delay', Operations Research Letters, vol. 45, no. 6, pp.592-597, November.; CNRS: 2; HCERES: A; ABS 2 

    2017

    Articles académiques

  • Legros, B 2016, 'Unintended consequences of optimizing a queue discipline for a service level defined by a percentile of the waiting time ', Operations Research Letters, vol. 44, no. 6, pp.839-845; CNRS: 2; HCERES: A

    2016

    Articles académiques

  • Legros, B, Jouini, O & Dallery, Y 2015, 'A flexible architecture for call centers with skill-based routing', International Journal of Production Economics, no. 159, pp.192-207; CNRS: 1; AERES: A; FNEGE: 1

    2015

    Articles académiques

  • Legros, B, Jouini, O & Koole, G 2015, 'Adaptive threshold policies for multi-channel call centers', IIE Transactions, no. 47, pp.414-430; AERES: A; FNEGE: 2

    2015

    Articles académiques

  • Legros, B, Jouini, O & Koole, G 2017, 'Blended Call Center with Idling Times during the Call Service', IISE Transactions, vol. (forthcoming), pp.0-0

    2017

    Autres contributions académiques

  • Legros, B & Jouini, O 2017, 'Routing in a queueing system with two heterogeneous servers in speed and in quality of resolution', Stochastic Models, vol. 33, no. 3, pp.390-410, (online April).

    2017

    Autres contributions académiques

  • Legros, B & Sezer, A 2017, 'Stationary analysis of a single queue with remaining service time-dependent arrivals', Queuieng Systems, vol. (forthcoming), pp.0-0

    2017

    Autres contributions académiques

  • Legros, B, Jouini, O & Koole, G 2016, 'Optimal scheduling in call centers with a callback option', Performance Evaluation, vol. 95, pp.1-40

    2016

    Autres contributions académiques

  • Legros, B & Jouini, O 2015, 'A linear algebraic approach for the computation of sums of Erlang random variables', Applied Mathematical Modelling, vol. 39, no. 16, pp.4971-4977

    2015

    Autres contributions académiques

  • Legros, B, Van Leeuwaarden, J & Fransoo, J 2023, 'Why rational queueing of loss-averse users undermines the benefits of added resources', INFORMS, Nancy, France, June 28-30.

    2023

    Conférences académiques

  • Legros, B 2022, 'Agents’ self-routing for blended operations to balance inbound and outbound services', EURO, I think yes, Espoo, Finland, July 3-7.

    2022

    Conférences académiques

  • Fransoo, Jouini, O & Legros, B 2022, 'Management of empty containers by consignees in the hinterland', MSOM conference, Munich, Germany, June 26-28.

    2022

    Conférences académiques

  • Legros, B, Jouini, O & Koole, G 2019, ‘Should We Wait Before Outsourcing? Analysis of a Revenue-generating Blended Contact Center’, INFORMS, Seattle, USA, October, 20-23.

    2019

    Conférences académiques

  • Legros, B 2019, ‘Late rejection, a strategy for overflow management’, EURO 2019, Dublin, Ireland, June 23-26.

    2019

    Conférences académiques

  • Legros, B 2018, 'Outsourcing and reservation; tools to manage blended sales and services operations in call centers', MSOM 2018, Dallas, USA, July, 2-3

    2018

    Conférences académiques

  • Legros, B 2018, 'Outsourcing and reservation; tools to manage blended sales and services operations in call centers', 29th European Conference on Operational Research, Valence, Spain, July, 8-11

    2018

    Conférences académiques

  • Legros, B, Bouchery, Y & Fransoo, J.C. 2017, 'The role of consignees in empty container management', International Conference IPaSPort (Intelligent Platform for Smart Port), Le Havre, France, May, 3-4

    2017

    Conférences académiques

  • Legros, B, Bouchery, Y & Fransoo, J.C. 2017, 'The role of consignees in empty container management', LOGMS 2017 conference, NHH Norwegian School of Economics, Bergen, Norway, August 23-26

    2017

    Conférences académiques

  • Legros, B, Jouini, O & Koole, G 2015, 'Strategy for call rejection', INFORMS annual meeting, Philadelphia, USA, November, 1-4

    2015

    Conférences académiques

  • Legros, B, Jouini, O & Koole, G 2015, 'When should we reject the call? A priori versus a posteriori rejection', 27th European Conference on Operational Research, XXVII EURO - INFORMS, Glasgow, United Kingdom, July, 12-15

    2015

    Conférences académiques

  • Legros, B, Jouini, O & Koole, G 2015, 'Optimal tasks imbrication with the use of idling times', IIEE Annual Conference, Nashville, USA, May 30-June 2

    2015

    Conférences académiques

  • Legros, B, Jouini, O & Koole, G 2014, 'Adaptative Call Center blending', INFORMS annual meeting, San Francisco, USA, November, 9-12

    2014

    Conférences académiques

  • Legros, B, Jouini, O & Koole, G 2014, 'Optimal routing in the two-server slow-server queue with service failure', 20th Conference of the International Federation of Operational Research Societies, Barcelona, Spain, July, 13-18

    2014

    Conférences académiques

  • Legros, B, Jouini, O & Koole, G 2014, 'Call centers with advertisements', 5th meeting of the EURO Working Group on Stochastic Modeling, Mannheim, Germany, June 29-July 2

    2014

    Conférences académiques

  • Legros, B, Jouini, O & Koole, G 2014, 'Performance analysis of a queueing system with general abandonments', 3rd International Workshop on Queueing Theory, Obergurgl, Austria, December, 15-19

    2014

    Conférences académiques

  • Legros, B, Jouini, O & Koole, G 2013, 'Call centers with a call back option', 2nd International Workshop on Queueing Theory, Obergurgl, Austria, December, 15-19

    2013

    Conférences académiques

  • Legros, B, Jouini, O & Koole, G 2013, 'Adaptative Call Center blending', 26th European Conference on Operational Research, XXVI EURO - INFORMS, Rome, Italy, July, 1-4

    2013

    Conférences académiques

  • Legros, B, Jouini, O & Koole, G 2013, 'Imbricating tasks in a multi-channel contact center', The International Conference on Modeling, Simulation and Applied Optimization, Hammamet, Tunisia, April, 28-30

    2013

    Conférences académiques

  • Legros, B, Jouini, O & Dallery, Y 2012, 'A new flexible architecture for Call centers with skill-based routing', 9th International Conference of Modeling, Optimization and Simulation, Bordeaux, France, June, 6-8

    2012

    Conférences académiques

  • Legros, B, Jouini, O & Koole, G 2012, 'Managing operations in a multichannel call center', 4th meeting of the EURO Working Group on Stochastic Modeling, Paris, France, May 30, June 1

    2012

    Conférences académiques

  • Legros, B, Jouini, O & Dallery, Y 2011, 'Comparison of flexible architectures of Call Centers', 12ème Congrès de la ROADEF, Saint-Etienne, France, March, 2-4

    2011

    Conférences académiques

  • Legros, B & Legros, G 2023, 'Ingénierie financière - Cours et études de cas corrigées (3e édition)', Ed. Ellipses, juin, 558p.

    2023

    Manuels pédagogiques ou à destination de professionnels

  • Legros, B 2022, 'Maths au quotidien : comment choisir la bonne file d’attente ?', The Conversation, 5 mai.

    2022

    Articles dans des revues professionnelles

  • Legros, B 2022, '« Et si on changeait de file ? » Quelques conseils sur la route des vacances', The Conversation, 28 juillet.

    2022

    Articles dans des revues professionnelles

  • Legros, B 2022, 'Management du « laisser-faire » : une étude pointe le rôle-clé de la rémunération', Blog EM Normandie, Janvier 10.

    2022

    Articles dans des revues professionnelles

  • Legros, B 2023, 'Plus de ressources pour plus de congestion. Le paradoxe des investissements publics', Vidéo FNEGE Medias, février.

    2023

    Vidéos de vulgarisation

  • Legros, B 2023, 'Que sont les Options en Finance ?', Vidéo FNEGE Medias, février.

    2023

    Vidéos de vulgarisation

  • Legros, B 2022, ‘Comment réduire les transports de conteneurs dans l’hinterland ?’, Vidéo Fnege Médias, 24 février.

    2022

    Vidéos de vulgarisation

  • Legros, B 2021, 'Laisser-faire, une stratégie pour mieux manager ?', Vidéo FNEGE-Médias, 5 juillet.
     

    2021

    Vidéos de vulgarisation

  • Legros, B 2019, « Un modèle pour le routage dynamique basé sur l’attente dans une file d’attente avec abandon », Vidéo FNEGE Medias, Paris, mai.

    2019

    Vidéos de vulgarisation