The cost of living crisis followed a decade in which people’s wages and incomes barely grew. The idea that each generation does at least as well as the one before, has for the moment ended. We’ll only start getting better off again if we can get the economy growing – as it used to in the decades preceding the financial crisis. So, what levers can governments pull to get growth back into the system? Why don't governments do the things that nearly every expert thinks might work? Should we be looking to governments at all? Paul Johnson of the Institute for Fiscal Studies explores the challenges facing the UK economy and asks: how can any government get the UK economy growing?