[1] Texas Tech Univ, Rawls Coll Business, Lubbock, TX 79409 USA
[2] Texas Tech Univ, Rawls Coll Business, CT McLaughlin Chair Free Enterprise, Lubbock, TX 79409 USA
[3] Univ Alabama, Ctr Sustainable Infrastruct, Dept Civil Construct & Environm Engn, Tuscaloosa, AL 35487 USA