This paper estimates the health returns to education, using data on identical twins. I adopt a twin-differences strategy in order to obtain estimates that are not biased by unobserved family background and genetic traits that may affect both education and health. I further investigate to what...

The authors adopt the Five-Factor Model of personality structure to explore how personalityaffected the earnings of a large group of men and women who graduated from Wisconsin highschools in 1957 and were re-interviewed in 1992. All five basic traits–extroversion,...