The business model concept, although a relatively new topic for research, has garnered growing attention over the past decade. Whilst it has been robustly defined, the concept has so far attracted very little substantive research. In the context of the wide-spread digitization of businesses and...

Kategoriale (nominale) Zeitreihen treten in den verschiedensten Bereichen der Praxis auf, wie der Informatik, der Biologie, der Sprachwissenschaft, u.Ä. Trotz ihrer praktischen Relevanz gibt es keine Monographien, welche die verschiedenen Aspekte bei der Analyse kategorialer Zeitreihen...

The analysis and modeling of categorical time series requires quantifying the extent of dispersion and serial dependence. The dispersion of categorical data is commonly measured by Gini index or entropy, but also the recently proposed extropy measure can be used for this purpose. Regarding...