A comprehensive statistical analysis of return processes on the German and British stock market was carried out. Empirically, data for 40 selected companies and two market performance indices were collected for the period of ten years. The analysis shows that in the period under review the...

Let (X1, Y1), . . ., (Xn, Yn) be i.i.d. rvs and let l(x) be the unknown p-quantile regression curve of Y on X. A quantile-smoother ln(x) is a localised, nonlinear estimator of l(x). The strong uniform consistency rate is established under general conditions. In many applications it is necessary...

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...

Im Marketing konkurrieren eine Reihe von Theorien um Aufmerksamkeit, Unterstützung durch akademische Forschung und theoretische Glaubwürdigkeit. Es gibt z.B. Ansätze aus so unterschiedlichen Bereichen wie der Volkswirtschaftslehre, Psychologie und Soziologie. Alles in allem ist die...