1. Graduate Student, Dept. of Civil Engineering, Univ. of Texas at Arlington, 416 S. Yates St., Arlington, TX 76010.
2. Assistant Professor, Dept. of Civil Engineering, Univ. of Texas at Arlington, 416 S. Yates St., Arlington, TX 76010 (corresponding author).
3. Associate Professor, Brook Byers Institute for Sustainable Systems and Fellow and Director, Economics of Sustainable Built Environment Laboratory, School of Building Construction and School of Civil and Environmental Engineering, Georgia Institute of Technology, 280 Ferst Dr., Atlanta, GA 30332-0680.