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 …

the theory in a lab experiment where two subjects negotiate how to share a resource; in case of conflict, the subjects … they translate into significant increases in conflict …