We develop a dynamic model in which a group collectively bargains with an external party. At each date the group makes an offer to the external party (the 'agent') in exchange for a concession. Group members hold heterogeneous preferences over agreements and are uncertain about the agent's...

One's willingness to accept an outcome or even to correct it depends on whether or not the underlying procedure is deemed legitimate. We manipulate the role allocation procedure in the dictator game to illustrate that this belief is not independent of the outcome and is self-serving in its...