How Could Information Technology Create Sustained Competitive Advantage——A Resource-based View

Competitive advantage created by strategic information system has been strongly emphasized in the literature, yet the sustainability of competitive advantage provided by information technology is not well explained. This paper, drawing on traditional theory and empirical research results, points out the limits which strategic information system has on extablishing sustained competitive advantage and puts forward that information technology can bring long term competitive advantage through complementary resources according to resource based view.Finally, two important complementary resources are simply explored.