We study the applicability of the pattern recognition methodology "rough set data analysis" (RSDA) in the field of meta analysis. We give a summary of the mathematical and statistical background and then proceed to an application of the theory to a meta analysis of empirical studies dealing with...

Referat im Rahmen der Verabschiedung Herrn Prof. Dr. rer. pol. Günther Poser, gehalten am 14.07.2003 im Georg-Christoph-Lichtenberg Haus, Darmstadt.

The two-sector specific factor model is typically used in the theory of international trade where it helps to clarify the principle of comparative advantage. Instead, we use this model as explicit theoretical framework to explain major trends of long-run economic development. Combined with...

This study compares the relation between backwardation and optimal hedging demand as suggested by economic theory to empirical findings concerning the impact of weak and strong backwardation on hedgers' trading volume in six long and short currency futures contracts. First, the optimal hedging...

Das Geschlechterverhältnis, welches in hohem Maße durch geschlechterspezifische Arbeitsteilung von Erwerbsarbeit und Hausarbeit geprägt ist, befindet sich im Wandel. Dennoch gilt Hausarbeit in Deutschland immer noch als typisch weibliche Aufgabe. Die vorliegende Arbeit überprüft die...