With the information system continuously progressing, it has been indispensable for business activities. However, there seems no effective ways for evaluating the effectiveness of investments in the information system. This study suggests that information system investment effectiveness should be evaluated by the assessing and improving process maturity; “information investment management based on a framework for assessing and improving process maturity.” By applying this framework to some companies as a case study, this study attempts to examine its validity.

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In this paper, we analyze two cases in high-tech device industry to study the performance excellence of enterprises. These two cases are both on a venturing of developing, manufacturing, and sales of high-tech products and they are very similar in the sense of their industry field and layer, or their product area, function, and category. The comparative analysis was done in the standpoint of relationship between the phase and the characteristics of knowledge evolution and those of organization evolution for both cases. The result implied the significance of “co-evolution” based on matching and mutual enhancement between them for business progress/success. Also the different mode of co-evolution in the two cases indicated that deep insight on “co-evolution” process, based on the characteristics of dominant knowledge, is needed for advancing performance of each enterprise.

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