We extend the dual-self model to include altruistic preferences. This explains (1) why people may have preferences for equality in the laboratory but not in the field, (2) why intermediate donations may occur in dictator games, (3) why cognitive load and time pressure may increase giving, and...

We derive a simplified version of the model of Fudenberg and Levine [2006, 2011] and show how this approximate model is useful in explaining choice under risk. We show that in the simple case of three outcomes, the model can generate indifference curves that “fan out” in the Marshack-Machina...