§ Mr. Dalyellasked the President of the Board of Trade if he will give the latest estimate of the rise in productivity per man hour in retail distribution consequent upon the introduction of the Selective Employment Tax.
§ Mr. DellNo official estimate has been made of changes in productivity in distribution because of the lack of comprehensive information about the hours worked particularly by working proprietors and part-time employees. There are also problems of measuring changes in output in this service industry.