We use a regression-discontinuity design to study the effects of double blocking sixth-grade students in reading and mathematics on their achievement across three years of middle school. To identify the effect of the intervention, we use sharp cutoffs in the test scores used to assign students...

While a stated goal of minimum wage increases is to benefit low-income workers, some employers are not obligated to provide at least minimum wages to all employees. U.S. farm employers comprise one of these groups. Employees of large farms and H2-A workers (temporary nonimmigrant workers...