1. Department of Technology, Operations, and Statistics, Stern School of Business, New York University, New York, New York 10012;
2. University Grenoble Alpes, CNRS, Grenoble INP, Inria, LIG, F-38000 Grenoble, France;
3. Department of Physics, University of Athens, Athens, Greece;
4. Department of Management Science and Engineering, Stanford University, Stanford, California 94305