@unpublished{Crawford2010,
author = {Claire Crawford and Lorraine Dearden and Costas Meghir},
title = {When you are born matters: the impact of date of birth on educational outcomes in England},
year = {2010},
month = {May},
doi = {10.1920/wp.ifs.2010.1006},
issn = {1742-0415},
url = {http://www.ifs.org.uk/wps/wp1006.pdf},
}