This paper examines the effect of automatic grade promotion on academic achievement in 1993 public primary schools in Brazil. A difference-in-differences approach that exploits variation over time and across schools in the grade promotion regime allows the identification of the treatment effect...

We investigated the 5.3 percentage point increase in the prevalence of food insecurity in Canada between the National Population Health Survey of 1998-99 and the Canadian Community Health Survey of 2000-01. We found that the increase in food insecurity occurred disproportionately in households...