@unpublished{Adam2006,
author = {Stuart Adam and Mike Brewer and Andrew Shephard},
title = {Financial work incentives in Britain: comparisons over time and between family types},
year = {2006},
month = {Oct},
volume = {pp.},
doi = {10.1920/wp.ifs.2006.0620},
issn = {1742-0415},
url = {http://www.ifs.org.uk/wps/wp0620.pdf},
}