This paper presents the software framework JStatCom which is geared towards the development of rich GUI clients for numerical procedures. The concept is to solve all recurring tasks with the help of reusable Java components. Optionally, one can delegate the execution of special numerical...

This paper presents the econometric approach to causal modeling. It is motivated by policy problems. New causal parameters are defined and identified to address specific policy problems. Economists embrace a scientific approach to causality and model the preferences and choices of agents to...

In 1978, Roger Koenker and Gilbert Bassett, Jr. introduced a new econometric estimation method and entitled it quantile regression. Since then, many subsequent authors have elaborated and extended the underlying theoretical framework. Other contributions have successfully applied the procedure...

Measuring the contribution of different markets to the price discovery process of a common asset has been the subject of many research studies in the last decade. In particular the newly developed derivatives markets have given rise to an increasing number of empirical studies examining the...

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...

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.

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...