Aufgrund der starken regionalen Verankerung kann bei den Sparkassen ein besonderes Interesse an den Folgen des demographischen Wandels und speziell von Alterung und Abwanderung vermutet werden. Dabei sind die Sparkassen nicht nur über das Regionalprinzip eng mit einer bestimmten Region...

This paper examines the influence of environmental factors on technical, cost, scale and revenue efficiency of German savings banks in 2001‐2005. Taking into account growing regional disparities in economic wealth and population size, it differentiates between declining and growing regions....

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...

In this paper, we conduct a pan-European efficiency analysis to investigate the performance of European railways with a particular focus on economies of vertical integration. We test the hypothesis that integrated railways realize economies of scope and, thus, produce railway services with a...

Since the 1990s, efficiency and benchmarking analysis has increasingly been used in network utilities research and regulation. A recurrent concern is the effect of environmental factors that are beyond the influence of firms (observable heterogeneity) and factors that are not identifiable...