Decomposing Granger causality over the spectrum allows to disentangle potentially different Granger causality relationships over different frequencies. This may yield new and complementary insights compared to traditional versions of Granger causality. In this paper, we compare two existing...

The individual impact of CRM systems is strongly related to impact at the organizational level. Fit with the task of the user is key. CRM systems are successful in organizations that reward customer-centric behavior and that have an analytical decision style. Acceptance of a CRM system should be...

This study empirically investigates the influence of the market-bound (i.e., interaction and network effects) on the firm-bound (i.e., scale and learning effects) self-reinforcing mechanisms, and their combined effect on product and organizational performance. The findings from a sample of 257...

Bass diffusion models are one of the competing paradigms to forecast the diffusion of innovative products or technologies. This approach posits that diffusion patterns can be modelled through two mechanisms: Innovators adopt the new product and imitators purchase the new product when getting in...

Exchange rates typically exhibit time-varying patterns in both means andvariances. The histograms of such series indicate heavy tails. In thispaper we construct models which enable a decision-maker to analyze theimplications of such time series patterns for currency risk management.Our approach...