This paper analyzes how private decisions and public policies are shaped by personal and societal preferences ("values"), material or other explicit incentives ("laws") and social sanctions or rewards ("norms"). It first examines how honor, stigma and social norms arise from individuals'...

We evaluate a simple allocation mechanism of students to majors at college entry that was commonly used in universities in Brazil in the 1990s and 2000s. Students first chose a single major and then took exams that select them in or out of the chosen major. The literature analyzing student...

Are bans effective at lowering child labor and increasing school attendance and, if so, do these effects lead to positive outcomes later in life? This paper seeks to answer these questions by examining the effect of a 1998 Brazilian law that increased the minimum employment age from 14 to 16. To...