Self-signaling theory argues that individuals partly behave prosocially to create or uphold a favorable self-image. To study self-signaling theory, we investigate whether increasing self-image concerns affects charitable giving. In our experiment subjects divide 20 euros between themselves and a...

Several studies have shown that dictator-game giving declines substantially if the dictator can exploit situational "excuses" for not being generous. In this experimental study we investigate if this result extends to more natural social interactions involving reciprocal behavior. We provide the...

Social preferences depend on emotional states like compassion and anger. Since emotions are fleeting and subject to manipulation, they may generate demand for commitment. We investigate the use of commitment strategies in an online experiment (n = 1, 400), where subjects decide to watch or avoid...