“...By how much would an intensive two-year center-based Abecedarian-type intervention, begun at age one, close income-based gaps in cognitive ability and school...”

“...From 2000 to 2010, more than 20 states passed so-called "Castle Doctrine" or "stand your ground" laws. These laws expand the legal justification for the use of...”

“...We take advantage of the fortuitous randomization of trial outcome to provide a novel strategy to identify the deterrent effect exclusive of incapacitation. We...”

“...We present new evidence on the effects of disability discrimination laws based on variation induced by state-level antidiscrimination measures passed prior to...”