§ Mr. Austin MitchellTo ask the Chancellor of the Exchequer what is his estimate of the effect of nominal exchange rate changes to date since the first quarter of 1991 on the trade-weighted Department of Trade and Industry and International Monetary Fund indices of relative export unit values for the United Kingdom.
§ Mr. Mellor[holding answer 12 February 1992]: Competitiveness depends on a number of factors, in particular the effectiveness of United Kingdom producers in controlling their costs.