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...

part Section I: The Philosophy of Experimentation -- chapter 1 Why Design Experiments? -- chapter 2 Organizing the Experiment -- chapter 3 The Neglected Response Variable -- part Section II Statistical Experimental Design -- chapter 4 The Factorial Two-Level Design and General Factorial Designs...