This paper provides a systematic methodology to identify general innovation diffusion patterns in a given case study: First, an analytical framework is introduced which structures a review of innovation diffusion research. This framework may be used to structure the analysis of a case study....

One of the most promising strategies to treat cancer is attacking it with viruses. Viruses can kill tumor cells specifically or act as carriers that deliver normal genes into cancer cells. A model for virotherapy of cancer is investigated and its predictions are in agreement with results...

In this article the problem of the American option valuation in a Levy process setting is analysed. The perpetual case is first considered. Without possible discontinuities (i.e. with negative jumps in the call case), known results concerning the currency option value as well as the exercise...