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...

We study the evolution of strategic psychological capabilities in a population of interacting agents. Specifically,we consider agentswhich are either blind orwithmindsight, and either transparent or opaque. An agent with mindsight can observe the psychological makeup of a transparent agent,...