Im ersten Teil der Arbeit wird untersucht, wie die Existenz von Lerneffekten mit Spillover das optimale Verhalten der Firmen beeinflusst - dies sowohl unter der Hypothese des vollkommenen Wettbewerbs und eines Cournotmarkts - und unter welchen Bedingungen es zu Marktversagen kommt und daher ein...

This thesis is a collection of papers that use survey data to analyze expectations about macroeconomic variables and the way these expectations are formed. Using a new approach for modeling forecast errors in a structural way, we show that most of the individual forecasts in the Consensus survey...

This thesis consists of studies in the field of experimental economics. The first two chapters of the thesis deal with the issue of subject selection in Cournot Oligopoly experiments. In particular, chapter 1 presents a study which was designed to test whether a predominant personality inventory...

The recently witnessed financial turmoil and the current international stability context have demonstrated the need for a deeper understandingabout ex-ante international asset price fluctuations. Moreover, it is now more evident that very little is known about real estate securities and their...

Bereits Schumpeter (1934, 1942) beschreibt, wie technologischer Fortschritt die neuartige und wertschaffende Kombination von Ressourcen ermöglicht. Das dadurch entstehende Ungleichgewicht im Markt ermöglicht es Unternehmern, diese „Chancen“ zu verfolgen und neue Technologien in...

This study is an experimental study that examines the effects of the oil export price increase in both theoretical and empirical contexts considering the Kazakhstani economy as a particular case, and discusses the effects of different macro closure rules. This study has been motivated by several...

This dissertation contains applications of agent-based financial market models and nonlinear econometric methods in financial economics. The first part deals with the analysis of the effectiveness of currency transaction taxes within financial market models with traders with heterogeneous...

I study several policy instruments for carbon mitigation with a focus on subsidies for renewable energies, emission taxes and emission allowances. In Chapter 1, I analyze the optimal design and the welfare implications of two policies consisting of an emission tax for conventional fossil-fuel...

This study addresses the potential trade-off between inflation and exchange rate targeting in former transition countries, which now may be labeled emerging market economies and which prepare for entry into the Economic and Monetary Union (EMU). Among this group of countries, some implemented...

This dissertation contributes to several fields of international macroeconomics. Chapter 2 presents a new dataset and new evidence on the invoicing pattern in international trade for a large panel of countries. It goes into detail explaining the motivation to set prices in different currencies,...