Receiving Supplemental Security Income (SSI) in childhood increases children’s earnings in adulthood when parents continue working (and therefore total household income increases), but has zero or negative effects when parents offset the transfer by reducing their earnings. This suggests that...

Residential-commercial zoning in American cities increases neighborhood specialization and reduces resident welfare. The dominant effect of zoning is not to correct externalities—whether the negative spillovers (noise, congestion, pollution) of the traditional Euclidean view, or the positive spillovers from mixing that...

Last December, Australia banned social media for anyone under 16. Four months later, only one in four 14- and 15-year-olds were complying, a share that has since fallen further. In this episode of The Pie, Leonardo Bursztyn, the Saieh Family...

Proposed mergers rarely offer both large efficiency gains and large market power gains, because either alone is enough to make a deal worth pursuing for firms. This negative relationship is due to the nature of selection into mergers and has...