Do nudge interventions that have generated positive impacts at a local level maintain efficacy when scaled state or nationwide? What specific mechanisms explain the positive impacts of promising smaller-scale nudges? We investigate, through two randomized controlled trials, the impact of a national and state-level campaign to encourage students to…

The problem of organizing human labor resources has suddenly emerged, like so many other social and economic problems, from the realm of the academic into that of the immediate and practical, largely under the stimulus of war necessity. Through the selective draft act, the Federal employment plan, and specialized training under the War Department,…