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Budget Responsibility and National Audit Bill [Lords]

The important thing to note about forecasts, particularly those on the tax take, is that it is difficult to be accurate with them. When I served on the Treasury Committee prior to becoming a Treasury Minister, there was comment on how accurately the Treasury was able to forecast the tax take. Clearly, it is more art than science, so the House would be mistaken to believe that, because something has been forecast, it is automatically an objective certainty. Those of us who deal with these issues, on both sides of the House, know that forecasting the economy can be as uncertain as forecasting the weather—Michael Fish found out how uncertain that can be one night. Forecasts are what they are; they can sometimes be wrong and sometimes they can be accurate. I honestly think that, in general—I am not making a party political point—the Treasury has a reasonably good record on forecasting.