This research examined the impacts of peer perseverance on learning outcomes and investigated how this influence varies with the partners' skill levels, either higher or similar to the subjects, across two experiments resembling online learning platforms. Study 1 recruited active English...

Software engineering is prototypical of knowledge work in the digital economy and exhibits strong geographic concentration, with Silicon Valley as the epitome of a tech cluster. We investigate productivity effects of knowledge worker agglomeration. To overcome existing measurement challenges, we...

We study the impact of classroom rank on children’s learning using a unique experiment from Ecuador. Within each school, students were randomly assigned to classrooms in every grade between kindergarten and 6th grade. Students with the same ability can have different classroom ranks because of...