Battistin, Erich; Nadai, Michele De; Vuri, Daniela - Istituto per la Ricerca Valutativa sulle Politiche … - 2014
We derive bounds for the average of math and language scores of elementary school students in Italy correcting for pervasive score manipulation. Information on the fraction of manipulated data is retrieved from a natural experiment that randomly assigns external monitors to schools. We show how...