“…As there is no statistical method available to determine key variables, we identified them by reviewing previous analyses of CMS applications as described in the literature. The available research on the Software Industry and CMS applications (Robertson, 2002;Pelz-Sharpe et al, 2002;Brooks & Princi, 2001;Nakano, 2002;Kekre et al, 1995;Cherns, 1993;Kunda & Brooks, 2000;Sawyer, 2000;Gartner, 2001;Reynolds & Kaur, 2000;Raghunathan, 2000;McKeever, 2003;Jaydip et al, 2003), suggested the most strategic variables were the number of CMS functions the application offered, and its cost. These literature review findings are consistent with McGahan's proposition on the importance of core assets to the software industry, where the number of functions appeared to constitute the added value for which customers were most willing to pay.…”