Whether behavior converges toward rational play or fair play in repeated ultimatum games depends on which player yields first. If responders concede first by accepting low offers, proposers would not need to learn to offer more, and play would converge toward unequal sharing. By the same token,...

In generosity games, one agreement payo 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 efficiencyor equality seeking. In our experiment, before playing the generosity...

We experimentally test overconfidence in investment decisions by offering participants the possibility to substitute their own for alternative investment choices.Overall, 149 subjects participated in two experiments, one with just one risky asset, the other with two risky assets. Overconfidence...

Different evaluators typically disagree how to rank different candidates since theycare more or less for the various qualities of the candidates. It is assumed that allevaluators submit vector bids assigning a monetary bid for each possible rank order.The rules must specify for all possible...

Unanimous voting as the fundamental procedural source of political legitimacy grants vetopower to each individual. We present an axiomatic characterization of a class of biddingprocesses to spell out the underlying egalitarian values for collective projects of a“productive state”. At heart...