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 thesis contributes to the research on other regarding preferences by experimental studies. Chapter 1 investigates the feasibility of efficiency gains in a principal-agent relationship by voluntary leadership. Chapter 2 investigates whether negative reciprocity can be documented if the worse...