“…A fourth dimension, IT infrastructure, was included later, and has been studied by several authors (Broadbent and Weill, 1997;Broadbent, Weill, and Neo, 1999;Broadbent, Weill, and ST Clair, 1999;Weill, Subramaniand Broadbent, 2002). Initial research defines IT infrastructure by the IT components, the human part, the shared IT services.…”