"Vermeersch and Kremer examine the effects of subsidized school meals on school participation, educational achievement …, and school finance in a developing country setting. They use data from a program that was implemented in 25 randomly … chosen preschools in a pool of 50. Children's school participation was 30 percent higher in the treatment group than in the …

"We develop a framework that may be used to determine the degree to which a school choice program may harm public … school stayers by luring the best students to other schools. This framework results in a simple formula showing that the … "cream-skimming" effect is increasing in the degree of heterogeneity within schools, the school choice takeup rate of strong …