Business and competition go hand-in-hand in today's marketplace. Michael Porter's Five Forces model illustrates how competitive forces shape a business. You'll find a visualization of the Five Forces model at www.infonortics.com/archives/1997agsiconference/ moffett/sld012.htm and a slide show presentation at www.mgt.smsu.edu/external/sld012.htm. Porter's book Competitive Advantage: Creating and Sustaining Superior Performance (Free Press, 1998) contains a full discussion of competitive theory. Strategic information systems help companies succeed in an increasingly competitive market. Read how one company, ChemQuest, employs Porter's Analysis Model to determine the sustainability of profits by visiting www.chemquest.com/sustain.htm and using the Next button to navigate the site. Roger Clarke has written a superb summary of classic business theory relating to strategic information systems. You'll find his article, "The Path of Development of Strategic Information Systems Theory," at www.anu.edu.au/people/Roger.Clarke/SOS/ StratISTh.
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