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...

Most organizational theories argue that formal organizational tructures determine or at least influence individual behavior and herewith are crucial for the performance and survival capability of the organization. This thesis contributes to the research on cooperation in organizations by...