Benjamin LEGROS

Paris

Professor in Finance

Presentation

Benjamin Legros is a Professor of Finance. He joined EM Normandie Business School in 2017. He has a PhD in management science from the Ecole CentraleSupélec, awarded in 2013. His thesis is on optimising flows in multichannel call centres. His research interests are stochastic models with applications centred around contact centre technologies and finance.

Professional experience

Since 2017: professor in finance, EM Normandie
2009-2017: professor in finance, Ecole CentraleSupélec
2009-2017: professor in finance, Paris School of Business

Department

Supply Chain & Management Digital

Subjects taught

Financial Analysis Finance

Degrees

2013 : PhD in Sciences Management, Ecole CentraleSupélec

Read the articles on the blog

Publications

Legros, B 2013, 'Optimization of multi-channel and multi-skill call centers', PhD in Sciences Management, Ecole CentraleSupélec, Paris, France.

2013

PhD Dissertation / Accreditation to Supervise Management Research
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

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

2023

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

2023

Academic articles
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

Academic articles
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

Academic articles
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

Academic articles
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

Academic articles
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

Academic articles
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

Academic articles
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

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

2021

Academic articles
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

Academic articles
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

Academic articles
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

Academic articles
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

Academic articles
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

Academic articles
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

Academic articles
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

Academic articles
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

Academic articles
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

Academic articles
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

Academic articles
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

Academic articles
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

Academic articles
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

Academic articles
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

Academic articles
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

Academic articles
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

Academic articles
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

Other academic contributions
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

Other academic contributions
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

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

2016

Other academic contributions
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

Other academic contributions
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

Academic communications
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

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

2022

Academic communications
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

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

2019

Academic communications
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

Academic communications
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

Academic communications
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

Academic communications
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

Academic communications
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

Academic communications
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

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

2015

Academic communications
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

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

2014

Academic communications
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

Academic communications
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

Academic communications
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

Academic communications
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

Academic communications
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

Academic communications
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

Academic communications
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

Academic communications
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

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

2023

Pedagogical or professional textbooks
Legros, B 2022, '« Et si on changeait de file ? » Quelques conseils sur la route des vacances', The Conversation, July 28.

2022

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

2022

Articles in professional journals
Legros, B 2022, 'Maths au quotidien : comment choisir la bonne file d’attente ?', The Conversation, May 5.

2022

Articles in professional journals
Legros, B 2023, 'Plus de ressources pour plus de congestion. Le paradoxe des investissements publics', Vidéo FNEGE Medias, February.

2023

Scientific dissemination videos
Legros, B 2023, 'Que sont les Options en Finance ?', Vidéo FNEGE Medias, February.

2023

Scientific dissemination videos
Legros, B 2022, ‘Comment réduire les transports de conteneurs dans l’hinterland ?’, Vidéo Fnege Médias, February 24.

2022

Scientific dissemination videos
Legros, B 2021, 'Laisser-faire, une stratégie pour mieux manager ?', Vidéo FNEGE-Médias, July 5.

2021

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

2019

Scientific dissemination videos