My media alt attribute

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

    2023

    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 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, 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 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 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 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, '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 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 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, '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 & 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 & 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 2022, 'Maths au quotidien : comment choisir la bonne file d’attente ?', The Conversation, May 5.

    2022

    Articles in professional journals

  • 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, ‘Comment réduire les transports de conteneurs dans l’hinterland ?’, Vidéo Fnege Médias, February 24.

    2022

    Scientific dissemination videos

  • 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 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