“A validation of the methodology used in the Department for Work and Pensions’ Ipen model,” by John Adams and Chris Curry (Working Paper No. 106, February 2012, .pdf format, 12p.). Note: Links to the abstract and full-text can be found at:
research.dwp.gov.uk/asd/asd5/report_abstracts/wp_abstracts/wpa_106.asp
