In two-person generosity games the proposer's agreement payoff is exogenously given whereas that of the responder is endogenously determined by the proposer's choice of the pie size. Earlier results for two-person generosity games show that participants seem to care more for efficiency than for...

In generosity games, one agreement payoff is exogenously given, whereas the other is endogenously determined by the proposer's choice of the "pie" size. This has been shown to induce pie choices which are either efficiency or equality seeking. In our experiment, before playing the generosity...