§ Mr. David Howellasked the Secretary of State for Industry whether, further to the article in Trade and Industry of 24th June on page 638, if he can publish estimates of the ratio of expenditure on research and development to value added in private industry and on trends in the proportion of the labour force employed on such work for the period since 1966.
§ Mr. Les HuckfieldThese ratios are not available for private industry as a whole, but approximate ratios can be 661W derived for manufacturing industry and those available are given below:
Intra-mural expenditure on R and D as a percentage of value added before providing for depreciation but after providing for stock appreciation Employment on R and D as a percentage of total employees in employment 1966 … 4.8 Not available 1967 … 4.9 2.4 1968 … 4. 9 2.4 1969 … 4.8 2.3 1972 … 4.4 2.1 1975 … 4.4 2.2