We study how upward communication - from workers to managers - about individual efforts affects the effectiveness of gift exchange as a contract-enforcement device for work teams. Our findings suggest that the use of such self-assessments can be detrimental to workers' performance. In the...

This paper investigates the effect of different communication channels on promise-making and promise-keeping in a helping situation. Four treatments differ with respect to the communication channel employed to solicit unincentivized cooperation, i.e., face-to-face, phone call and two different...

Human communication in organizations often involves a large amount of gossiping about others. Here we study in an experiment whether gossip affects the efficiency of human interactions. We let subjects play a trust game. Third parties observe a trustee's behavior and can gossip about it by...