In this paper we investigate whether exposure to the self-interest model commonly used in economics alters the extent to which people behave in self-interested ways. First, we report the results of several empirical studies—some our own, some by others—that suggest economists behave in more...

Although field experiments and classroom surveys are ambiguous about whether economists are less likely than others to cooperate in social dilemmas, three important points remain clear: economics training encourages the view that people are motivated primarily by self-interest; there is clear...