Der Tod macht alle Menschen gleich, dennoch sind nicht alle gleichmäßig betroffen. Unterschiede in der Sterblichkeit aufgrund des sozio-ökonomischen Status sind allgemein bekannt. Aber auch räumliche Disparitäten existieren. Es ist oft von großem Interesse Regionen mit außergewöhnlich...

This thesis will first criticize standard financial theory. The focus will be on return distributions, efficient market hypothesis and the independence of returns. Part two gives the intuition to look at markets in a different view. Namely the one proposed by B. Mandelbrot who has shown that...

The Programme for International Student Assessment (PISA) is an internationally standardized assessment to 15-year-old pupils in schools. With the same purpose, the questionnaire made by Dr. Duller (Austria) was conducted at the university Humboldt, Berlin. We would like to assess how good...

Viele statistische Problemstellungen erfordern in der heutigen Zeit den Einsatz von Computern. Der von uns in dieser Dissertation vorgestellte Ansatz kombiniert die Fähigkeiten der statistischen Softwareumgebung XploRe, mit den Vorteilen einer verteilten Client/Server Anwendung und den...

Implied volatility can be considered as a function of strike level and time to maturity. As it is calculated from the actual trading options, it contains dynamic, multi-dimensional information of options, modelling the implied volatility is an interesting task for researchers. Dynamic...

Since last decade, weather derivatives have been traded by Chicago Mercantile Exchange(CME) to hedge the weather risk. In addition to HDD,CDD and CAT, which are index written on the temperature in U.S. and Europe, Pacific Rim Index is newly developed and actively traded nowadays. In terms of the...

Different weather events play an important role for industries with profits depending on temperature or other weather conditions. A market for trading on temperature events has recently emerged. The traded financial contracts allowing to transfer weather risks are called weather derivatives. The...

Optimizing capital allocation by better estimating probability of default requires generally new model selection. An analysis of German solvent and default companies was performed using the promising Support Vector Machines (SVM) methodology. The analysis shows good performance of the SVM...

Die vorliegende Doktorarbeit bündelt die Veröffentlichungen des Autors und seiner Koautoren zu den Themen e-Learning und statistischer Software. Die Kapitel 2 bis 5 sind Aspekten des e-Learning gewidmet, die Kapitel 6 bis 9 beschreiben die Entwicklung der statistischen Programmiersprache...