1. Epstein Department of Industrial and Systems Engineering, University of Southern California, Los Angeles, California 90089;
2. Rotman School of Management, University of Toronto, Toronto, Ontario M5S 3E6, Canada;
3. Donadeo Innovation Center for Engineering, University of Alberta, Edmonton, Alberta T6G 1H9, Canada
4. DeGroote School of Business, McMaster University, Hamilton, Ontario L8S 4M4, Canada