@unpublished{Adam2010,
author = {Stuart Adam and James Browne},
title = {Redistribution, work incentives and thirty years of UK tax and benefit reform},
year = {2010},
month = {Dec},
doi = {10.1920/wp.ifs.2010.1024},
issn = {1742-0415},
url = {http://www.ifs.org.uk/wps/wp1024.pdf},
}