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,...

A two-persons bargaining problem often consists of initially incompatible demands that can be unilaterally reduced by sequential concessions. In a 2 x 2 x 2-factorial design we distinguish between reliable and unreliable concessions, between a static and dynamic settings and between symmetric...