Information security is growing to be an IT priority for many firms, but several critical dimensions of enterprise security like type of loss or strategic effects of countermeasures have received little attention in the economics-based literature. We develop a model of a contagious threat that...

Die Firma Westfleisch ist eine Unternehmensgruppe der Fleisch verarbeitenden Industrie. Mit einem Jahresumsatz von 1,67 Mrd. Euro gehört Westfleisch zu Europas führenden Schlachtunternehmen. Durch Übernahmen, verschärften Wettbewerb sowie - auch infolge von Fleischskandalen - strengere...

We explore the network topology of the federal funds market. This market is important for distributing liquidity throughout the financial system and for the implementation of monetary policy. The recent turmoil in global financial markets underscores its importance. We find that the network is...

In the era of Global Services, Service Oriented Architecture (SOA) has been gaining momentum for building Web-based information systems. Service composition is one of the key objectives for adopting SOA. Unfortunately, Web services are not always exactly compatible and it is a non-trivial task...

With the increasing popularity of Service Oriented Architecture (SOA), service composition is gaining momentum as the potential silver bullet for application integration. However, services are not always perfectly compatible and therefore can not be directly composed. Service mediation, roughly...

Emerging business requirements, stemming from a holistic view over an organisation's activities, place additional pressure on technical infrastructures and call for operational agility and a better alignment between business and technology. Business process oriented learning unites corporate...

This paper explores the applicability of the original architectural principles of the Internet to the emerging quot;Internet of Servicesquot; (IoS). The design principles of the Internet have laid a solid, visionary architectural foundation. That foundation has produced secondary properties and...

We use audited financial statements to examine claims that service-oriented architecture (SOA) leads to higher profits relative to traditional software delivery models. Specifically, we examine vendors that rely on the Software-as-a-Service (SaaS) pricing model, and compare their performance to...