This dissertation extends the understanding of asymmetric group behavior in the provision of public goods. Previous studies, using an asymmetric framework, have so far focused on situations where all players profit form the social optimum. The discussion in the first paper breaks with this...

Although there is a lot of evidence for the positive welfare effects of contract farming, it is not clear how to integrate farmers into contracts and how to maintain stable long-term-relationships between farmers and agri-business firms. While Contract Farming is a formal institutional...

This paper presents the results of a survey exploring the determinants of vacinees' confidence in COVID-19 vaccines and their motivations to become vaccinated. At the threatening rise of the highly infectious Omicron variant, in December 2021, we interviewed people in waiting lines of...

This dissertation consists of five essays contributing to a better understanding of three fundamental lines of research in behavioral economics: trust and cooperation in social interactions, gender discrimination, and decision making under risk and uncertainty. All essays are novel contributions...

Der Ausgangspunkt dieser Dissertation ist der Gedanke, dass es in dem Interesse der Gesellschaft ist, prosoziales Verhalten zu fördern. Weitaus fraglicher ist, welche Strategien geeignet sind, um dieses Ziel zu erreichen. In dieser Arbeit betrachte ich drei Maßnahmen: Die Einführung von...

In this thesis I present three essays in which the influence of heuristics on individual decision making is analyzed and two essays dealing with behavioral aspects of moral costs. In chapter two, we investigate the effect a traders’ decision can have on the disposition effect heuristic when...

This paper experimentally tests the relation between subjects' competitiveness and bargaining behavior. Bargaining is investigated in a demand-ultimatum game, where the responder can request a share of the pie from the proposer. The results show that highly competitive proposers earn less, since...

This paper presents the results of a survey exploring the determinants of vacinees' confidence in COVID-19 vaccines and their motivations to become vaccinated. At the threatening rise of the highly infectious Omicron variant, in December 2021, we interviewed people in waiting lines of...