decisions involving altruism and cooperation. We collected data with a laboratory experiment where subjects were asked to …

betrayal aversion, at neither point in time. In the first experiment, betrayal aversion is positive, and does not differ … towards in- versus outgroup members. In the second experiment, I find no betrayal aversion. At this time, a subsample of … trust. I suggest a couple of potential explanations for the lack of betrayal aversion in the second experiment …

in an experiment using existing and newly formed student work groups, evaluating the effects of identification and …