This thesis consists of three essays examining banks’ tax response. The first essay Tax vs. Regulation Policy and the Location of Financial Sector FDI is co-authored with Prof. Dr. Michael Overesch, Chair of Business Taxation at the University of Cologne and Prof. Dr. Georg Wamser, Chair of...

In this paper, we use a unique database on switching between mobile handsets in a sample of about 5,000 subscribers using tariffs without commitment from a single mobile operator on monthly basis between March 2012 and December 2014. We estimate discrete choice model in which we account for...

International environmental agreements have been and are negotiated to facilitate mitigation efforts on climate change. To avoid severe impacts, global cooperation is required as the reduction of greenhouse gas emissions represents a global public good. However, free-riding incentives impede the...

Die folgende Dissertation hat zwei Teile. Das Thema des ersten Teils ist die Rolle von Freiheit in normativer und positiver Ökonomik. Dieser Teil beschäftigt sich mit Fragen, wie: "Wie kann man Freiheit in ökonomischen Modellen messen?", "Wie kann man Institutionen schaffen, die Individuen...