Ferreira, Francisco H.G.; Gignoux, Jérémie - Institute for the Study of Labor (IZA) - 2011
This paper proposes two related measures of educational inequality: one for educational achievement and another for … International Student Assessment (PISA) sampling frame. The measure of inequality of educational opportunity is given by the share … educational opportunity. The former is the simple variance (or standard deviation) of test scores. Its selection is informed by …