@unpublished{Brewer2008,
author = {Mike Brewer and Anita Ratcliffe and Sarah Smith},
title = {Does welfare reform affect fertility? Evidence from the UK},
year = {2008},
month = {Nov},
volume = {pp.},
doi = {10.1920/wp.ifs.2008.0809},
issn = {1742-0415},
url = {http://www.ifs.org.uk/wps/wp0809.pdf},
}