According to several psychological and economic studies, non-binding communication can be an effective tool to increase trust and enhance cooperation. This paper focuses on reasons why people stick to a given promise and analyzes to what extent image concerns of being perceived as a promise...

This paper reports findings of a laboratory experiment, which explores how elfassessment regarding the own relative performance is perceived by others. In particular, I investigate whether overconfident subjects or underconfident subjects are considered as more likable by others, and who of the...