“…However, in the intervening years, whilst there has been much research into specific sources of supply chain uncertainty, either relevant to internal manufacturing processes, supply-side processes, or demand-side issues (usually end-customer demand); there are many other distinct sources of uncertainty which have received insufficient attention (Prater, 2005). In addition, there is much recent interest in the related area of supply chain risk (Ritchie and Brindley, 2007;Braunscheidel and Suresh, 2009;Neiger et al, 2009). Such authors have claimed that the repercussions of inadequate risk management policies can have a severe impact on company performance; for example, Hult et al, (2010) list resultant losses for major companies including Cisco, Pfizer and Boeing.…”