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Professor Saif Benjaafar

Saif Benjaafar


Distinguished McKnight University Professor
Director, Initiative on the Sharing Economy
Ph.D., Purdue University, School of Industrial Engineering, 1992
M.S., Purdue University, School of Industrial Engineering, 1989
B.S., University of Texas at Austin, Department of Electrical Engineering, 1987

Office: ME 130G - phone: (612) 626-7239
Personal Page
Initiative on the Sharing Economy


Broad research interests in operations management, supply chains, and service systems. Current research focus is on sustainable operations and innovative business models, including sharing economy and on-demand services.  

Selected Publications

Benjaafar, S., G. Kong and X. Li, “Peer-to-Peer Product Sha​​ring: Implications for Ownership, Usage and Social Welfare in the Sharing Economy,” forthcoming in Management Science, 2017 (Top 1% most downloaded paper​s ​​​at SSRN).

Benjaafar, S., W. Yu and D. Chen, “Managing Production-Inventory Systems with Scarce Resources,”Manufacturing and Service Operations Management, 19, 216-229, 2017 (Winner of the INFORMS Section on Energy, Natural Resources, and the Environment Best Student Paper Award).

Wang, Y., O. Jouini and S. Benjaafar, “Service Systems with Finite and Heterogeneous Customer Arrivals,” Manufacturing and Service Operations Management, 16, 365-380, 2014 (Winner of the IIE Pritsker Best Doctoral Dissertation Award).  

Benjaafar, S., M. Elhafsi, C. Y. Lee and W. Zhou, “Optimal Control of Assembly Systems with Multiple Stages and Multiple Demand Classes,” Operations Research, 59, 522–529, 2011. 

Benjaafar, S., W. L. Cooper and S. Mardan, “Production-Inventory Systems with Imperfect Advance Demand Information and Updating,” Naval Research Logistics, 58, 88-106, 2011 (Winner of the Harold W. Kuhn Award).

Gayon, J. P., S. Benjaafar and F. de Véricourt, “Using Imperfect Demand Information in Production-Inventory Systems with Multiple Demand Classes,” Manufacturing and Service Operations Management, 11, 128-143, 2009 (Winner of the M&SOM Best Paper Award, 2011). An article authored by Jeannette Song highlighting the contributions of the paper appeared in Manufacturing and Service Operations Management, 13, 419, 2011.

Hu, B. and S. Benjaafar, “On Server Partitioning in Queueing Systems during Rush Hour,” Manufacturing and Service Operations Management, 11, 416-428, 2009 (featured in Focus on Queueing Systems, a collection of papers published by INFORMS Online in 2013). 

Gaglioppa, F., L. Miller and S. Benjaafar, “Multi-Task and Multi-Stage Production Planning and Scheduling for Process Industries,” Operations Research, 56, 110-1025, 2008.

Benjaafar, S., Y. Li, D. Xu and S. Elhedhli, “Demand Allocation in Systems with Multiple Inventory Locations and Multiple Demand Sources,” Manufacturing and Service Operations Management, 4, 43-60, 2008. 

Benjaafar, S., E. Elahi and K. Donohue, “Outsourcing via Service Quality Competition,” Management Science, 53, 241-259, 2007.

Benjaafar, S. and M. Elhafsi, “Production and Inventory Control of a Single Product Assemble-to-Order System with Multiple Customer Classes,” Management Science, 52, 1896-1912, 2006. 

Benjaafar, S., William L. Cooper and J. S. Kim, “On the Benefits of Pooling in Production-Inventory Systems,” Management Science, 51, 548-565, 2005. 

Benjaafar, S., M. Elhafsi and F. de Véricourt, “Demand Allocation in Multi-Product, Multi-Facility Make-to-Stock Systems,” Management Science, 50, 1431–1448, 2004. 

Benjaafar, S., “Modeling and Analysis of Congestion in the Design of Facility Layouts,” Management Science, 48, 679-204, 2002.

Kim, J. S. and S. Benjaafar, “Extended Abstract: On the Benefits of Inventory Pooling in Production-Inventory Systems,” Manufacturing and Service Operations Management, 4, 12-16, 2002 (M&SOM Best Student Paper Award, Honorable Mention).

Lahmar, M., Hakan, E. and S. Benjaafar, "Extended Abstract: Resequencing and Feature Assignment on a Moving Assembly Line," Manufacturing and Service Operations Management, 3, 7-9, 2001 (M&SOM Best Student Paper Award, Honorable Mention).



For a full list of publications with access to electronic copies, please click here> (

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