Should Chancellor Rishi Sunak cut VAT as an emergency stimulus to the consumer economy? When Labour’s Alistair Darling made a 2.5 per cent £12 billion cut after the 2008 crash, I called it ‘an unconvincing and expensive gambit’, on the basis that shoppers would barely notice and that ‘far more significant will be the general level of confidence as it is affected by business failures and job losses… and the general grimness of global economic news’.