1. Professor, Depts. of Managerial Studies, Information and Decision Sciences, College of Business Administration, Univ. of Illinois at Chicago, 601 S. Morgan St. (MC 243), Chicago, IL 60607-7123 (corresponding author).
2. Professor, Dept. of Information Systems and Technology, College of Business Administration, Creighton Univ., Omaha, NE 68178.
3. Brendon Hemily and Associates, 107 Chester Ave., Toronto, ON Canada, M4K 2Z8.