present results from a laboratory experiment in which two parties can appropriate resources via a contest or, alternatively …, take an outside option. Keeping monetary gains expected from fighting constant across all treatments, the experiment … compares conflict choices of players in two-against-two, one-against-one, and two-against-one settings. Overall, we find …

Trust is essential to many daily exchanges, wherein a trustor sometimes decides to be vulnerable to an individual or … other times to a group. Although a trustor may trust an individual more or less than a group, this topic has been … individuals are more averse to betrayal by another individual than by a group, leading individuals to trust groups more than other …

We experimentally test the social motives behind individual participation in intergroup conflict by manipulating the … framing and symmetry of conflict. We find that behavior in conflict depends on whether one is harmed by actions perpetrated by … to do what is good for the group and contribute to the conflict. On the other hand, if people perceive to be personally …