The stochastic frontier analysis (Aigner et al., 1977, Meeusen and van de Broeck, 1977) is widely used to estimate individual efficiency scores. The basic idea lies in the introduction of an additive error term consisting of a noise and an inefficiency term. Most often the assumption of a...

Banks face a tradeoff between diversifying and focusing their loan portfolio. In this paper we carry out an empirical study for the German market to shed light on the question whether or not the benefits of risk sharing outweigh those of specialization. We use data from the Bundesbank's...

We analyse differences between the wage distributions in the USA and Germany in 2001 both for women and men. The empirical analysis is based on the decomposition of differences using Cox's marginal (partial) likelihood. The approach based on rank invariant estimators such as Cox's is borrowed...

Die Arbeit stellt eine empirische Analyse des deutschen Außenhandels hinsichtlich des Phänomens des intraindustriellen Außenhandels dar. Eine ausführliche Deskription des deutschen Außenhandels in doppelter Gliederung nach dem Güterverzeichnis der Produktionsstatistiken und nach...