This article presents identification results for the marginal treatment effect (MTE) when there is sample selection. We show that the MTE is partially identified for individuals who are always observed regardless of treatment, and derive uniformly sharp bounds on this parameter under three...

In this paper, we study the impact of disclosing information about school quality of private schools in Brazil on school choice. Particularly, we investigate whether test score disclosure affected private schools' tuition prices. In 2006, Brazil started to announce the schools' average test...