before making a choice. There are two possible explanations for this "communication effect". One is that communication … enhances group identity, the other is that communication elicits social norms. I discuss both views and argue in favor of a …

dictator game. In our experiment teams are more selfish than individuals, and the most selfish team member has the strongest …While most papers_new on team decision-making find teams to behave more selfish, less trusting and less altruistic than …-subjects design we re-examine group polarization by letting subjects make individual as well as team decisions in an experimental …

Using a real-effort experiment, we study whether group identity affects unethical behavior in a contest game. We vary …

Using a real-effort experiment, we study whether group identity affects unethical behavior in a contest game. We vary …

Using a real-effort experiment, we study whether group identity affects unethical behavior in a contest game. We vary …

We report results from a laboratory experiment that explores the effects of preference communication and leader …. We also find that preference communication by non-leaders is frequently strategic. …

making in teams. I find in an investment experiment that individual decisions with salient group membership are largely the … same as team decisions. This finding bridges the literature on team decision making and on group membership effects …