1. Introduction

Georg Weizsäcker is a behavioral economist. He obtained his PhD in Business Economics at Harvard University, has taught at the London School of Economics and Political Science and at University College London, and is now Professor of Economics at Humboldt-Universität zu Berlin. His research lies in the areas of experimental economics, decision theory and applied microeconomics, with numerous contributions on the understanding and interpretations of other people's statements and choices. He is a Fellow of the European Economic Association, was appointed to numerous scientific committees and boards, and currently serves as the spokesperson of a research center on applied behavioral economics that is funded by the German Research Foundation.