Team incentives, task assignment, and performance: a field experiment / Josse Delfgaauw (Erasmus University Rotterdam and Tinbergen Institute), Robert Dur (Erasmus University Rotterdam, Tinbergen Institute, CESifo and IZA), Michiel Souverijn (Erasmus University Rotterdam and Tinbergen Institute) ; IZA Institute of Labor Economics. Bonn, Germany : IZA Institute of Labor Economics, December 2017