We present in this paper evidence about the effects and mechanisms of gender peer effects in elementary, middle, and high schools. For identification, we rely on idiosyncratic variations in gender composition across adjacent cohorts within the same schools. We find that an increase in the...

Draft-lottery estimates of the causal effects of Vietnam-era military service using 2000 census data show marked schooling gains for veterans. We argue that these gains can be attributed to Vietnam veterans' use of the GI Bill rather than draft avoidance behavior. At the same time, draft lottery...

Lottery estimates suggest Massachusetts' urban charter schools boost achievement well beyond that of traditional urban public schools students, while nonurban charters reduce achievement from a higher baseline. The fact that urban charters are most effective for poor nonwhites and low-baseline...