Die Liberalisierung der Elektrizitätsmärkte hat in vielen europäischen Ländern einenweit reichenden Restrukturierungsprozess auf allen Wertschöpfungsstufen mit sich gezogen.Zwar haben sich neue Marktplätze für den Handel von Energie etabliert, allerdingsbesteht eine der wesentlichen...

Supervised dimension reduction methods have been extensively applied in different scientific fields like biology and medicine in recent years. However, they have hardly ever been used in micro economics, and in particular cost function modeling. Nonetheless, these methods can also be useful in...

In the course of railway reforms in the end of the last century, national European governments, as well the EU Commission, decided to open markets and to separate railway networks from train operations. Vertically integrated railway companies companies owning a network and providing transport...

In the course of railway reforms in the end of the last century, national European governments, as well the EU Commission, decided to open markets and to separate railway networks from train operations. Vertically integrated railway companies - companies owning a network and providing transport...