Carlos and Darla Are Playing the Dictator Game

Carlos and Darla are playing the dictator game. Carlos is assigned the role of dictator and given $20 to split between the two of them. Based on previous experiments with this game by behavioral economists, which is the least likely outcome?

A) Carlos will keep all of the money for himself.
B) Carlos will give all of the money to Darla.
C) Carlos will split the money evenly with Darla.
D) Carlos will split the money, keeping a little more than half for himself.