“…Yang et al (2009) had grouped the tools for managing supply chain risk into four main themes: multi-sourcing (e.g., Anupindi and Akella, 1993;Babich et al, 2005Babich et al, , 2007, alternative supply sources and backup production (e.g., Serel et al, 2001;Kouvelis and Milner, 2002), flexibility (e.g., Van Mieghem, 2003;Tomlin and Wang, 2005) and supplier selection (e.g., Deng and Elmaghraby, 2005). On the other hand, Microsoft and Arthur Anderson developed a supply risk assessment process-Comprehensive Outsource Risk Evaluation (CORE) system in which Risk is analyzed ''objectively''.…”