Institution: | (1) Graduate School of Management, Rutgers University, 07102 Newark, NJ, USA;(2) American Express Travel Related Services Company, Inc., 10825 New York, NY, USA;(3) Department of Industrial Engineering and Operations Research, Columbia University, 10027 New York, NY, USA;(4) GTE Laboratories, 40 Sylvan Road, 02254 Waltham, MA, USA |