learning experiment. We find that virtual communication leads to a substantial deterioration of group rationality for a … shown for face-toface decision making, which has ceased to be the prevalent form of communication in many IT …-based organizations. To test the robustness of higher group rationality under conditions of virtual communication, we conduct a social …

via social learning. Using an online social dilemma experiment, we find evidence that participants' contributions were … learning strategies employed within the experiment, but that this cooperative propensity could be reduced through selection …

We study communication in ambiguous environments. Agents communicate individual decisions sequentially. Based on the …, the decisions differ no matter how long the communication lasts. Such persistent disagreements are precluded in Bayesian … frameworks endowed with a common prior. When communication is private and nobody is excluded from it, we show that ambiguity …

lab experiment in which an incentivized guessing task is repeated in a star network with the leader at the center. Leader … selection is either based on competence, on self-confidence, or made at random. Teams with random leaders do not underperform … compared to competent leaders, and they even outperform teams whose leader is selected based on self-confidence. The reason is …