Informations- und Kommunikationstechnologien haben die Produktion in Unternehmen grundlegend verändert. IT-basierte Dienstleistungen stellen ein zentrales Bindeglied zwischen vielen anderen Unternehmensprozessen dar und leisten einen wichtigen Beitrag zur betrieblichen und...

In this paper determinants of information systems (IS) outsourcing are deduced from transaction cost economic theory, resource-based theory and power theory. They are summarized in a theoretical framework which is tested using a sample of small and medium sized enterprises (SMEs) in Germany. The...

This paper presents two gravity models for the estimation of air passenger volume between city-pairs. The models include variables describing the general economic activity and geographical characteristics of city-pairs instead of variables describing air service characteristics. Thus, both...