ABSTRACT: Organizations seek to differentiate themselves in the marketplace by deploying information technology (IT) to develop dynamic IT capabilities and resist competitors' attempts to imitate or improve these capabilities. While this strategy has been justified on the grounds that dynamic IT capabilities are durably heterogeneous, there does not seem to be empirical evidence supporting or refuting this assumption. This study empirically validates the assumption of durable heterogeneity of dynamic organizational IT capability (ITC) due to path dependence. We capture ITC heterogeneity by introducing a framework in which firms try to achieve ITC leadership in their industry and we propose that durable ITC heterogeneity can be attributed to path dependence, and hence, it can be tested using Heckman's true state dependence of ITC leadership status. Using random and fixed effect dynamic logit models, we investigate true state dependence of ITC leadership on a sample of large U.S. firms. The results, which are robust to alternative sample, dependent, and control variable specifications, show that achieving ITC leadership is a true state-dependent process, suggesting durable heterogeneity of ITC due to path dependence. The study contributes to the dynamic capabilities literature and has important managerial implications. The proposed framework for conceptualizing durable resource heterogeneity due to path dependence is general and versatile, thus providing a foundation for future research on dynamic capabilities. The findings provide empirical evidence to confirm that ITC is durably heterogeneous and should be managed as a potential source of competitive advantage.
Key words and phrases: dynamic organizational IT capability, dynamic random effects, fixed effects logit models, information technology business value, path dependence, true state dependence