The purpose of this thesis is twofold: First, it aims at detecting empirical regularities of the business cycle in Denmark, Germany and the U.S. Second, it tries to give a theoretical explanation for these stylized facts. The thesis is fully in line with the modern analysis of business cycles in...

Diese Arbeit besteht aus theoretischen und empirischen Beiträgen zur Such- und Matchingliteratur, mit Schwerpunkt auf dem deutschen Arbeitsmarkt. Das erste Kapitel beschreibt das Such- und Matchingmodell des Arbeitsmarktes sowie sein empirisches Gegenstück, den Flussansatz. Das zweite Kapitel...

In makroökonomischen Theorien findet häufig eine separate Betrachtung von Wachstums- und Konjunkturphänomenen statt. Untersuchungen des Konjunkturverlaufs richten den Blick zumeist auf kurzfristige Anpassungsprozesse, wohingegen sich wachstumstheoretische Fragestellungen auf die langfristige...

This dissertation consists of two essays studying macroeconomics questions about labor markets. The research in this document is separated into chapters that study distinct features of aggregate labor market outcomes.The first essay documents the change in behavior of fertility rate at business...

This paper uses an unbalanced panel data set for exporting firms from manufacturing industries in one German federal state, Lower Saxony, to investigate the micro-structure of the recent export boom. Looking at data for 1995/96 to 2001/02 it is demonstrated that a considerable number of plants...

In modeling expectation formation, economic agents are usually viewed as forming expectations adaptively or in accordance with some rationality postulate. We offer an alternative nonlinear model where agents exchange their opinions and information with each other. Such a model yields multiple...