This comment points out four severe reservations regarding Cho et al.'s (PS 2017) finding that U.S. federal judges punish more harshly on “sleepy Mondays,” the Mondays after the start of Daylights Savings Time. First, Cho et al.'s finding pertains to only one of at least two dimensions of...

This paper compares actual US crime and incarceration rates to predicted rates from cross-country regressions. Global cross-country regressions of crime and incarceration on background characteristics explain much of the variation between other countries. But the estimated models predict only...