I have not yet estimated the increase in output per operative in 1968, but I think it likely that it will be higher than the long-term trend of 4 per cent. for the second year running.
I suggest that the hon. Member reads the P.I.B. Report. If he does he will get some information there. Some of the increase each year is the result of better management, more mechanisation, bigger contracts, better tendering procedures, and so on. It is not necessarily a measure of an increase in the productivity of labour.
Does not my right hon. Friend agree that the estimate of his Department seems to be different from the estimate of the P.I.B.? Will he indicate why there is a difference between the two estimates of output and productivity in the building industry?
The figures that I have given up to last year have been published year by year since 1945. The output of the building and construction industries has risen every year. This year it will rise by another 4 per cent., I think, and I expect it to rise next year by between 4 per cent. and 5 per cent. This happens to be the view that the Department holds, and we have said so to the P.I.B.