The report by Sir Philip Green into Whitehall efficiency is now out* and it makes interesting reading, not least his suggestion that maybe the state shouldn’t be paying for mobile phones for desk-bound junior personnel. (There are 105,000 government mobiles).

One of his discoveries is the lack of reliable central government data. For example, his team was first told that Whitehall spent £2bn a year on travel. The second estimate was £500m. The third was £768m – before the final figure came in at £551m. (This will seem familiar to all political journalists).

Sir Philip has also found big differences in prices paid to suppliers: a box of paper can cost anything from £8 to £73. Laptops vary from £353 to £2,000. Read more