The effect of sorting students based on their academic performances depends not only on direct peer effects but also on indirect peer effects through teachers' efforts. Standard assumptions in the literature are insufficient to determine the effect of sorting on the performances of students and...

Each year, over a hundred thousand defendants who are too poor to pay for a lawyer are assigned counsel. Existing procedures for making such assignments are essentially random and have been criticized for giving indigent defendants no say in choosing the counsel they are assigned to. In this...