DEMOGRAPHIC RESEARCH VOLUME 29, ARTICLE 2, PAGES 33-70 PUBLISHED 4 JULY 2013 http://www.demographic-research.org/Volumes/Vol29/2/ DOI: 10.4054/DemRes.2013.29.2 Research Article Does migration benefit the schooling of children left behind? Evidence from rural northwest China Feng Hu © 2013 Feng Hu. This open-access work is published under the terms of the Creative Commons Attribution NonCommercial License 2.0 Germany, which permits use, reproduction & distribution in any medium for non-commercial purposes, provided the original author(s) and source are given credit. See http:// creativecommons.org/licenses/by-nc/2.0/de/