Relying on the specific example of ultimatum bargaining experiments this paper explores the possible role of empirical knowledge of behavioural "norm(ative) factsʺ within the search for an inter-personal (W)RE - (Wide) Reflective Equilibrium on normative issues. Assuming that pro-social...

A long time ago most economists would have limited themselves to stating that agreements should be individually rational and efficient and that selecting a specific agreement from that set depends on bargaining and negotiation power whatever that may be. Nowadays hardly any economist will argue...

Take-it or leave-it offers are probably as old as mankind. Our objective here is, first, to provide a, probably subjectively-colored, recollection of the initial ultimatum game experiment, its motivation and the immediate responses. Second, we discuss important extensions of the standard...