1. HEC Montréal and CIRRELT, Montréal, Quebec H3T 2A7 Canada;
2. Department of Industrial Engineering, Bilkent University, Bilkent, 06800 Ankara, Turkey;
3. Université Paris Dauphine, PSL Research University, CNRS [7243], LAMSADE, 75016 Paris, Île-de-France, France;