Does the GDP debate rest on dodgy figures?

It has long been said that construction is an important bellwether in determining the shape of the nation’s economic progress.

Today the performance of construction, or rather revisions to its measured performance, seemingly determined how close the UK is to recovery.

There upward revision put the nation yet closer to its official exit from recession.

Whether we are in or out of recession has huge political significance.

But for me it is interesting to note just how much store is put by the construction figures, partly because I am hugely sceptical of their accuracy.

Here is why.

This article continues at Brian Green's Brickonomics blog