To commit credibly in bargaining is crucial: In the ultimatum game with its one–sided early commitment power the “proposer” gets (nearly) the whole pie while the“responder” is left with (almost) nothing. When both parties commit simultaneouslythe (a)symmetric Nash(1950)–bargaining...

It has been claimed that people often prefer equity-like considerations and tend to ignore strategic aspects in fair division problems. Here, this is explored by analyzing whether or not such behavioral disposition is evolutionary stable. The answer however is ambiguous: Both, reacting to and...