The Office for Budget Responsibility (OBR) has been accused of “vastly overstating” the economic benefits of mass migration by overvaluing the expected salaries earned by so-called skilled migrants, a report from a think tank claimed. The OBR, a non-departmental public body established by former finance chief George Osbourne in 2010 to provide supposedly independent economic forecasts and analysis of public finances, overestimated the expected tax contributions from migration by £6 billion according to a report from the Centre for Migration Control (CMC). An economic projection from the OBR produced ahead of Chancellor Jeremy Hunt’s budget published earlier this month stated...