We examine the contribution of differences in school environments to the gap in education outcomes between Aboriginal and non-Aboriginal students. We find both substantial school-level segregation of Aboriginal and non-Aboriginal students and a substantial gap in test scores. Conventional...

In the well-known `critical mass' model of social interactions, aggregate behaviour exhibits multiple equilibria if the influence of group behaviour on individual behaviour exceeds some fairly high threshold. I demonstrate that this property depends on an implicit assumption that the relevant...

A number of studies have indicated that peer smoking is a highly influential factor in a young person's decision to smoke. However, this finding is suspect, because the studies often fail to account for selection and simultaneity bias. This paper develops an econometric model of youth smoking...

Major revisions to the Canadian unemployment insurance program in 1997 created a benefit structure that effectively provides more insurance to workers who are employed for longer workweeks. This anomaly creates an incentive for workers and firms to tailor their weekly work schedules to maximize...

We estimate the effect of information about school achievement that is disseminated to the public through websites and school `report cards' on school choice decisions. We find that students are more likely to leave their school when public information reveals poor school-level performance. Some...