Many personal and policy decisions turn on perceptions of school effectiveness, defined
here as the causal effect of attendance at a particular school or set of schools on student test …

In the last decade, numerous student assignment systems have been redesigned using
input from economists in the large American cities and elsewhere. This article reviews some …

We study the results of a massive nationwide correspondence experiment sending more
than 83,000 fictitious applications with randomized characteristics to geographically …

We use admissions lotteries to estimate the effects of large-scale public preschool in Boston
on college-going, college preparation, standardized test scores, and behavioral outcomes …

We show that most US food, drugstore, and mass-merchandise chains charge nearly
uniform prices across stores, despite wide variation in consumer demographics and …

We use a panel survey of~ 19,000 primary-school-aged children in rural Tamil Nadu to study
'learning loss' after COVID-19-induced school closures, and the pace of recovery after …

We study the impact of a personalized technology-aided after-school instruction program in
middle-school grades in urban India using a lottery that provided winners with free access to …

We estimate the causal effect of each county in the United States on children's incomes in
adulthood. We first estimate a fixed effects model that is identified by analyzing families who …

School choice may lead to improvements in school productivity if parents' choices reward
effective schools and punish ineffective ones. This mechanism requires parents to choose …

We study regressions with multiple treatments and a set of controls that is flexible enough to
purge omitted variable bias. We show these regressions generally fail to estimate convex …