Die vorliegende Arbeit befasst sich mit Innovationsdiffusionsmodellen und deren Anwendung in der Marketingpraxis. Sie hat zwei Ziele: Einen Überblick über existierende Innovationsmodelle zu schaffen und ein neues besseres Modell zu entwickeln. Es wird ein neuer Klassifizierungsansatz...

In this paper, we study the asset pricing implication of imprecise knowledge about rare events. Modeling rare events as jumps in the aggregate endowment, we explicitly solve the equilibrium asset prices in a pure-exchange economy with a representative agent who is averse not only to risk but...

In this paper we critically examine the main workhorse model in asset pricing theory, the Lucas (1978) tree model (LT-Model), extended to include heterogeneous agents and multiple goods, and contrast it to the benchmark model in financial equilibrium theory, the real assets model (RA-Model)....

The thesis consists of two essays: "The CAPM -- A General Equilibrium Foundation" and "The Foreign Exchange Rate in Financial Markets".The Capital Asset Pricing Model (CAPM) is one of the most successful models for portfolio selection. The utility functions are assumed to depend positively on...

Marine Inseln beherbergen einen großen Teil der biologischen Vielfalt unseres Planeten und weisen gleichzeitig einen hohen Anteil endemischer Arten auf. Inselbiota sind allerdings zudem besonders anfällig für anthropogene Einflüsse wie den globalen Klimawandel, Habitatverlust und invasive...

A detailed survey of 498 “high tech” SMEs in the Netherlands shows process innovation by user firms to be common practice. Fifty four percent of these relatively small firms reported developing entirely novel process equipment or software for their own use and/or modifying these at...

A detailed survey of 498 high technology small and medium-sized enterprises in the Netherlands shows process innovation by user firms to be common practice. Fifty-four percent of these firms reported developing entirely novel process equipment or software for their own use and/or modifying...

The health industry has acquired a reputation as lagging in the use of information technology (IT). Therefore, this study has been undertaken to assess state health's use of IT and then to assess the causal factors of the differing usage rate, if any. The state health industry was compared to...

Full-text of this article is not available in this e-prints service. This article was originally published following peer-review in International Journal of Information Management, published by and copyright Elsevier.