The present thesis extends the economic literature on the enforcement of environmental regulations by empirically analysing the effectiveness of environmental criminal law. It is a shortcoming of the discussion on the merits of criminal sanctions for environmental offenses that the empirical...

Germany has been an immigration country for more than 30 years now, although many politicians claim the opposite and many people in Germany are inclined to agree with their assessment. However, it is the actual experience with immigration, and not what people would like to experience, which...

In der vorliegenden Arbeit werden für Berliner Mietshäuser praktikable multiple Regressionsmodelle, sog. hedonische Modelle zur Wertermittlung von Mietwohnhäusern und Wohn- und Geschäftshäusern entwickelt. Die hedonische Bewertungsmethode beurteilt Objekte nach ihren intrinsischen Werten...

This paper deals with the intra-day behavior of asset prices shortly before and after large price changes.

This paper analyzes optimal portfolio choice and consumption with stochastic volatility in incomplete markets.

Die meisten wissenschaftlichen Studien, die sich einer Analyse des gesellschaftlichen Problems „Armut“ widmen, untersuchen die Armutssituation in einer Periode. Da eine statische Betrachtungsweise aber nur ein unvollständiges Bild vermittelt, wird in dieser Arbeit die individuelle Dynamik von...

Using a model selection approach, this thesis proposes a constructive data-and-theory-combined procedure to identify model structures in the framework of a linear simultaneous equations system based on observed data. A model structure is characterized by restrictions on the structural...

In an increasingly competitive environment, firms have to optimally adjust both their allocation of input factors and their technology portfolio. The latter determines economies of scope and scale in future research and production. The aim of this dissertation is to achieve better insight into...