5. Empirical Substantiation and Theory Corroboration
As discussed in the research design (see Chapter 3), this study follows a multiple stage approach in order to develop an explanatory model that is able to explain how IT gov- ernance influences the business performance of a firm. The first phase, exploratory in nature, was introduced in detail in the previous section. The presented results (see Fig- ure 7) suggest that ITG maturity heavily influences the IT relatedness and business process relatedness of firms. Based on empirical evidence it was shown that resource relatedness, in turn, is able to provide values that, following extant studies, can be the basis for sustainable competitive advantages and, hence, an increase in business per- formance. What is more, the empirical observations suggest that the absorptive capacity of the IT department has a vital role for a successful implementation of relatedness pro- jects that require a large portion of context-specific knowledge. This chapter discusses the second empirical phase of this study, which aims at cor- roborating the developed mid-range theory. To do so, another set of case studies was conducted to analyse if the developed explanatory model holds when being applied to a second data sample. The subsequent section introduces the analysed case companies and presents the data collection and analysis, which follows the procedure as discussed in section 3.5. 5.1 Data Selection and Analysis The case sample of the refinement phase encompasses 10 corporations which are com- parable in size and industry to the case companies of the first round. In order to...
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