@unpublished{Disney2000,
author = {Richard Disney and Sarah Tanner},
title = {The abolition of the earnings rule for UK pensioners},
year = {2000},
month = {Jun},
volume = {pp},
doi = {10.1920/wp.ifs.2000.0013},
issn = {1742-0415},
url = {http://www.ifs.org.uk/wps/wp0013.pdf},
}