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...

In this paper, we examine labor market favoritism in a unique laboratory experiment design that can shed light on both the private benefits and spillover costs of employer favoritism (or discrimination). Group identity is induced on subjects such that each laboratory "society"consists of eight...

This dissertation presents three independent essays that elicit social preferences in school children by using a combination of experimental measures and survey data. Chapter 2 consider the development of motivations for helping in informal risk-sharing networks from a sample of school children...

We introduce a simple game-theoretical model that captures the main aspects of the repeated interaction between an issuer and a credit-rating agency. It involves up-front payments of issuer-fees and direct publication of requested ratings. Due to pecuniary injuries for untruthful ratings, the...