1. Assistant Professor, Robins School of Business, Univ. of Richmond, 1 Gateway Rd., Richmond, VA 23173 (corresponding author).
2. Associate Director, Center for Risk Management of Engineering Systems, Univ. of Virginia, Charlottesville, VA 22904; and Research Associate Professor, Dept. of Systems and Information Engineering, School of Engineering and Applied Science, Univ. of Virginia, 151 Engineer’s Way, 112 Olson Hall, P.O. Box 400736, Charlottesville, VA 22904.