Innocenti Working Papers UNICEF Innocenti Working Papers are intended to disseminate initial research contributions within or relevant to the Centre's programme of work, addressing social, economic and other aspects of the realisation of the human rights of children. The findings, interpretations and conclusions expressed in this paper are those of the author(s) and do not necessarily reflect the policies or views of UNICEF. The text has not been edited to official publications standards and UNICEF accepts no responsibility for errors. The designations employed in this publication and the presentation of the material do not imply on the part of UNICEF the expression of any opinion whatsoever concerning the legal status of any country or territory, or of its authorities, or delimitation of its frontiers.