Calsamiglia, Caterina; Loviglio, Annalisa - In: SERIEs : Journal of the Spanish Economic Association 11 (2020) 1, pp. 1-49
The existence of a rigid cutoff date which determines when children start primary school creates a large heterogeneity in students' level of maturity within the classroom. We use rich administrative data of the universe of public schools in Catalonia to show that: (1) relatively younger children...