Must try harder : evaluating the role of effort in educational attainment /
De Fraja, Gianni.
Oliveira, Tania.
Zanchi, Luisa,1959-
Centre for Economic Policy Research (Great Britain)
London : Centre for Economic Policy Research,
2005.
Title from caption.
"International macroeconomics"--Cover.
Includes bibliographical references.
Motivation in education.
Academic achievement.