We conduct a study of altruistic behavior among high school students using the dictator game. We find a much stronger norm of equal splitting than previously observed in the typical university student population, with almost 45% of high school subjects choosing an equal split of the endowment....

The main contribution of this paper lies in applying Adam Smith’s moral theory to explain how some actions become jointly recognized as socially appropriate while others do not, and how these jointly recognized rules affect actual behavior. To illustrate the strength of Smith’s theory, we...