Criticism of the Work Capability Assessment OBR confirmed that the reforms themselves had done nothing to reduce levels of welfare spending — although a simple freezing of benefit payments, so that they did not rise with inflation, had limited the extent of fiscal failure. But in fiscal year 2016-17, the budget in question had nevertheless risen to £15 billion a year. In 2016, the NAO published another evaluation of the DWP's disability assessment contracts: it said the cost of each WCA had risen from £115 under Atos to £190 under Maximus, to no benefit to the Exchequer. A former chief economist at the DWP, Professor Jonathan
Incapacity Benefit following year Tony Blair appointed David Freud, a former vice-chairman of investment banking at UBS, as an advisor on out-of-work benefit reform. Freud's 2007 report called for the greater use of private sector companies who would be paid by results, and for substantial resources to be made available to help people on Incapacity Benefit back into work. In 2008 a Green Paper was published, which James Purnell said was "inspired by the reforms proposed by David Freud". It declared that "between 2009 and 2013, all Incapacity Benefit claimants will be reassessed using a medical assessment called the Work Capability Assessment