Behavioral social science has been largely dominated by dual system models that discriminate between fast, automatic modes of processing, often referred to as “system 1” and more reflective and effortful processing modes, often referred to as “system 2”. This paper proposes a third...

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...