Angrist, Joshua D.; Battistin, Erich; Vuri, Daniela - Istituto per la Ricerca Valutativa sulle Politiche … - 2014
An Instrumental Variables (IV) identication strategy that exploits statutory class size caps shows signficant … Italy, suggesting a substantial return to class size reductions for residents of the Mezzogiorno. In addition to high … classes increase score manipulation. Estimates of a causal model for achievement with two endogenous variables, class size and …