In social and economic networks linked agents often share additional links in common. There are two competing explanations for this phenomenon. First, agents may have a structural taste for transitive links - the returns to linking may be higher if two agents share links in common. Second,...

Daß sich auch die Betriebswirtschaft mit dem Management von technologischen Neuerungen im Bereich von Forschung und Entwicklung beschäftigt, erscheint aus zwei Gründen sinnvoll: zum einen berichten eine Vielzahl von empirischen Studien, daß sich nur zwischen 3 % und 25 % der innovativen...

Die Planung der finanziellen Situation von Betriebswirtschaften ist geistiger Vor-Vollzug liquiditätspolitischer Maßnahmen. Sie stellt einen kreativen Prozeß von hoher Komplexität dar, der im Rahmen der Finanzabteilung arbeitsteilig in regelmäßigen Abständen durchgeführt werden muß, um...

Former studies have shown that people tend to give buying prices that are lower than selling prices. In our study we investigate if this willingness to accept and willingness to pay disparity sustains for state contingent claims. Contingent claims are defined using risky, ambiguous, and...

This paper presents a mixed-integer program for the dynamic lot sizing and scheduling problem in a multi-level, single-machine environment. It turns out that in contrast to single-level problems the integration of initial inventory is a crucial aspect if generality should not be lost. It is...

The traditional techniques of calculating quantity and price variances for analyzing deviations of realized profit contribution (actual) from the planned profit contribution only offer the benefit of identifying areas where problems may exist, rather than diagnosing the causes of these problems....

Almost all of the results on competitive product positioning derived in respective literature so far are based fimdamentally on the hypothesis that Nash-equilibria are "accurate predictions" of final market configurations. If the positioning behavior of firms differs from this assumed...