Business and Information Systems Engineering (BISE) is at a turning point. Planning, designing, developing and operating IT used to be a management task of a few elites in public ad-ministrations and corporations. But the continuous digitization of nearly all areas of life changes the IT...

[Introduction] The diffusion of mobile broadband, which use cellular mobile communication technology, is at an advanced state in many countries. It is, however, unclear how mobile broadband diffusion affects other broadband services, and fixed broadband access in particular. Following the...

In recent years, many companies have strived to enhance their customer-relating capability with knowledge management instruments. A survey conducted by the authors, however, indicates that successful implementations of such initiatives are still comparatively rare. In this paper we present a...

In recent years, many companies have infused more and more self-service technology into their customer relationships. As a result the balance between high-tech and high-touch has become a key challenge of today's customer relationship management initiatives. In this paper, we present a...