1. Assistant Professor, Dept. of Construction Management, Brigham Young Univ., Provo, UT 84602.
2. Assistant Professor, Myers-Lawson School of Construction and Via Dept. of Civil and Environmental Engineering, Virginia Polytechnic Institute and State Univ., Blacksburg, VA 24061 (corresponding author).
3. Professor, Urban Affairs and Planning, Virginia Polytechnic Institute and State Univ., Blacksburg, VA 24061.