It is now generally accepted that some people are more altruistic, more trusting, or more reciprocal than others, but it is still unclear whether these differences are innate or a consequence of nurture. We analyse the correlation between handedness and social preferences in the lab and find...

James Ahiakpor's critique of our 2002 work on the relationship between a certain 1932 Harvard Memorandum on anti-depression policies and the 1932 Harris Foundation Manifesto dealing with the same issues misses the significance of these documents, and of the relationships between them, both for...

Cognitive dissonance theory predicts that the act of voting makes people more positive toward the party or candidate they have voted for. Following Mullainathan and Washington (2009), I test this prediction by using exogenous variation in turnout provided by the voting age restriction. I improve...

Cognitive dissonance theory predicts that the act of voting makes people more positive toward the party or candidate they have voted for. Following Mullainathan and Washington (2009), I test this prediction by using exogenous variation in turnout provided by the voting age restriction. I improve...

We use data on wages and rents in different U.S. cities to assess the amenity effects on production and consumption of cultural diversity as measured by diversity of countries of birth of city residents. We show that US-born citizens living in metropolitan areas where the share of foreign-born...

In many markets insurers are barred from price discrimination based on con- sumer characteristics like age, gender, and medical history. In this paper, I build on a recent literature to show why such policies are inefficient if consumers differ in their willingness-to-pay for insurance...