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
Work Capability Assessment upheaval in the testing process, a Green Paper provided more evidence that a "de facto" outcome target had been in operation during the first part of the Incapacity Benefit reassessment programme. In 2016, the government conceded that: In December 2016, the DWP released data on outcomes covering the first quarter of that year: then, for the small number of Incapacity Benefit recipients undergoing a WCA for the first time, the percentage being placed in the Support Group after their assessment was 87%, while 39% of "new" claimants qualified for the Support Group immediately after their WCA. Professor Dame Carol Black