“…However, organisations are also social entities, and business relationships develop in interactions among the individuals and groups of employees at different departments of the co-operating firms (Brennan and Turnbull, 1999;Cousins et al, 2006;Cunningham and Turnbull, 1982). Social exchange is important in building long-term relationships, and may exist between individuals even without service or product exchange (Brito and Nogueira, 2009;Ford et al, 2010;Håkansson, 1982;Price and Arnold, 1999). Networks of social relationships may also develop a life of their own, even when they were initially established for task-related activities (Marschan et al, 1996).…”