Silvia Ortiz-Merchan, María José Lee-Ocampo, Sebastián Cuéllar-Harker, Maria Fernanda Bolívar, Diana Barriga, David Hernández, Alexander Villasmil, Cesar Mantilla, SEE Research Group. 2024. Don’t leave your kid unattended? Sex differences in children’s competitiveness in presence of their guardian.Journal of Behavioral and Experimental Economics 102254.