3、Each twin of a pair played the ultimatum game, both as proposer and as responder.
4、And indeed, when one-off ultimatum games are played by trained economists, who know all this, they do tend to accept stingy offers more often than other people would.
2、But, curiously, he makes no appearance in the ultimatum game, a classic economics experiment.
1、Both groups then played the ultimatum game as responders.