Anticipated verbal feedback in a dictator game has been shown to induce altruistic behavior. However, in the ultimatum game which, apart from generosity, entails a strategic component since a proposer may (rightly) fear that the responder will reject a low offer, it remains an open question...

This paper extends choice theory by allowing for the interaction between cognitive costs and social norms. The authors experimentally investigate the role of imitation and temporal decisional patterns when participants face a task which is costly in cognitive terms. They identify two main...