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 game,...

Bidding rules that guarantee procedural fairness may induce more equilibrium bidding and moderate other-regarding concerns. In our experiment, we assume commonly known true values and only two bidders to implement a best-case scenario for other-regarding concerns. The two-by-two factorial design...