It turns out that this trend is not specific to ultimatum games—research on dictator games went through the same evolution. We said that ultimatum games are relatively simple two person games with an offerer and a responder. In the standard dictator setup, things are even simpler. Call the two people involved the “dictator” and the “recipient”, Using our $10 example, the dictator is told that she can give any amount between $0 and $10, inclusive, to another person. And whatever the dictator decides, that is the end of the story. So if the dictator wants to keep $8 and give $2 to the recipient, then that is what each person walks away with.