?Andrew B. Whinston received his Ph.D. at Carnegie Mellon University and is currently Professor of Information Systems, Economics, and Computer Science, Hugh Roy Cullen Centennial Chair in Business Administration, and Director of the Center for Research in Electronic Commerce at The University of Texas at Austin. He also holds the title of The John Newton Centennial Fellow-IC2. He has published extensively on resource allocation issues and is currently working on bundle markets in electronic commerce. Dr. Whinston is a member of several editorial boards and is editor-in-chief of "Decision Support Systems " and the "Journal of Organizational Computing ." He has published over 300 papers in major scientific journals, and, most recently, the following books on electronic commerce: 1. "Frontiers of Electronic Commerce " (with Ravi Kalakota), Addison-Wesley Publishing Company, 1996. Republished in Chinese (2 volumes), 1997. Republished in Korean, 1998. 2. "Readings in Electronic Commerce " (edited with Ravi Kalakota), Addison-Wesley Publishing Company, 1997. 3. "Electronic Commerce: A Manager's Guide " (with Ravi Kalakota), Addison-Wesley Publishing Company, 1997. 4. "Economics of Electronic Commerce " (with S. Choi and D. O. Stahl), Macmillan & Co., 1997. Republished in Japanese, 1998.