As the government prepares to slash incapacity benefits, Rob Ray looks at a report brought out last year which is amongst the starkest examples of how incapacity has been used in recent years to hide much of the country's unemployment problems.
'20 Years on: Has the economy of the coalfields recovered?' examined communities where over 10% of the population had been employed in the mines before the mass closures.
The report, brought out by the Centre for regional and social economic research at Sheffield Hallam university, said: