In this article we investigate the behavior and motives of people in a positive and negative valence Ultimatum Bargaining Game (UBG). In this last game the allocator and recipient both have the same initial endowment and bargain about how to divide a certain loss. In Experiment 1 we show by...

In this study we investigated how the excluded player's payoff in coalition formation affects coalition behavior. Results of two experiments showed that a decrease in excluded player's payoff decreased the number of proposed small coalitions. This effect was moderated by social value...

Experimental games model situations in which the future outcomes of individuals and groups depend on their own choices and on those of other (groups of) individuals. Games are a powerful tool to identify the neural and psychological mechanisms underlying interpersonal and group cooperation and...