§ Mr. Austin Mitchellasked the Minister of Agriculture, Fisheries and Food whether the use of up-to-date weights for the main groups in table 18.12 of the Monthly Digest of Statistics would change the figures; and whether he will give an indication of the principal changes which would thereby result.
§ Mrs. FennerThe use of weights in table 18.12 of theMonthly Digest of Statistics might have some effect on the figures, but it is not possible at present to calculate the precise effect. Work on an index with a base of 1980=100 to replace the current 1975-based index is due to start later this year under the normal five-year cycle which applies to indices of this type. National indices are constructed in a way that enables them to be compared and combined with similar indices for other member countries of the European Community. Rebasing an index is a major task which takes many months to complete. A description of the construction of the 1975 index was given in Economic Trends, No. 312, dated October 1979.