(JPubE, 2008), I investigate a reason already proposed by Aristotle in his Nicomachean Ethics: He claims that there is a …

In laboratory experiments we explore the effects of communication and group decision making on investment behavior and … on subjects' proneness to behavioral biases. Most importantly, we show that communication and group decision making does …

how communication mitigates this free-riding problem in an investment-timing game. In our baseline investment-timing game …. If more investors invest at the same time, they share the costs. In the communication treatment, subjects can freely … communicate before choosing the investment time. We find that in groups of two players, communication increases cooperation and …

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 sorts of computer-mediated communication. The less anonymous (face …