Why are Brexiteers wrong to complain that the Autumn statement's forecasts are too gloomy?

Simon was joined by Tim Evans, professor of Business and Political Economy at Middlesex University. They discussed: 1. Understanding the job of the Chancellor of the Exchequer: Why Brexiteers are wrong to complain that the Autumn statement's forecasts are too gloomy. 2. The importance of BoE Chief Economist, Andy Haldane, criticising modern economists. 3. The onward march of the economics and politics of marijuana legalisation.