Das deutsche Hochschulsystem befindet sich zur Zeit in einerstarken Umstrukturierungsphase. Dabei ist neben der Einführung derMaster- und Bachelorstudiengängen die Einführung vonStudiengebühren eine der einschneidendsten Politikmaßnahmen, diein Deutschland im tertiären Bildungsbereich...

In recent years a substantial amount of literature in one way or another deals with liquidity. The interest in it grows beyond the walls of the academia, as the security exchanges recognize the importance of the concept and plan to adopt unique measures of liquidity and publish them in the...

Diese Diplomarbeit widmet sich aus theoretischer und empirischer Sicht dem Thema der regionalen Konvergenz in der EU. sie stellt zunächst verschiedene Konzepte sowie Ergebnisse der Konvergenzanalyse vor und vergleicht diese kritisch. Das Hauptergebnis ist ein Nebeneinander von Persistenz bzw....

This paper investigates the effects of ordinal regressors in linear regression models. Each ordered categorical variable is interpreted as a rough measurement of an underlying continuous variable as it is often done in microeconometrics for the dependent variable. It is shown that using ordinal...

The polychoric correlation is an ML estimator for the correlation parameter between two latent variables. Each latent variable is only observed as an ordered categorical indicator. This estimator is based on an assumption on the joint distribution for the latent variables which in this case is...

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...

Standard statistical methods in the empirical economics and finance literature are mostly applicable to data that is aggregated on equally spaced time points. However, a key characteristic of many economic and financial variables is that they occur randomly and are observed irregularly in time....

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...